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30748949400624 = 2437139677279829
BaseRepresentation
bin1101111110111010011000…
…01101001100110000110000
311000212120102011010100102220
412333131030031030300300
513012242322021304444
6145221512232041040
76322352426302440
oct677351415146060
9130776364110386
1030748949400624
119885613349954
123547428b33180
1314207c8aa3870
14784385662120
15384cb639c619
hex1bf74c34cc30

30748949400624 has 160 divisors (see below), whose sum is σ = 97867006110720. Its totient is φ = 8101225552896.

The previous prime is 30748949400623. The next prime is 30748949400643. The reversal of 30748949400624 is 42600494984703.

It is not an unprimeable number, because it can be changed into a prime (30748949400623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 583942 + ... + 7863770.

It is an arithmetic number, because the mean of its divisors is an integer number (611668788192).

Almost surely, 230748949400624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30748949400624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48933503055360).

30748949400624 is an abundant number, since it is smaller than the sum of its proper divisors (67118056710096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30748949400624 is a wasteful number, since it uses less digits than its factorization.

30748949400624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7280827 (or 7280821 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 60.

The spelling of 30748949400624 in words is "thirty trillion, seven hundred forty-eight billion, nine hundred forty-nine million, four hundred thousand, six hundred twenty-four".

Divisors: 1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 39 42 48 52 56 78 84 91 104 112 156 168 182 208 273 312 336 364 546 624 728 967 1092 1456 1934 2184 2901 3868 4368 5802 6769 7736 11604 12571 13538 15472 20307 23208 25142 27076 37713 40614 46416 50284 54152 75426 81228 87997 100568 108304 150852 162456 175994 201136 263991 301704 324912 351988 527982 603408 703976 1055964 1407952 2111928 4223856 7279829 14559658 21839487 29119316 43678974 50958803 58238632 87357948 94637777 101917606 116477264 152876409 174715896 189275554 203835212 283913331 305752818 349431792 378551108 407670424 567826662 611505636 662464439 757102216 815340848 1135653324 1223011272 1324928878 1514204432 1987393317 2271306648 2446022544 2649857756 3974786634 4542613296 5299715512 7039594643 7949573268 10599431024 14079189286 15899146536 21118783929 28158378572 31798293072 42237567858 49277162501 56316757144 84475135716 91514730359 98554325002 112633514288 147831487503 168950271432 183029460718 197108650004 274544191077 295662975006 337900542864 366058921436 394217300008 549088382154 591325950012 640603112513 732117842872 788434600016 1098176764308 1182651900024 1281206225026 1464235685744 1921809337539 2196353528616 2365303800048 2562412450052 3843618675078 4392707057232 5124824900104 7687237350156 10249649800208 15374474700312 30748949400624