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30554320323320 = 235191249223714389
BaseRepresentation
bin1101111001001111110110…
…11010001100001011111000
311000011222001010011210210022
412330213323122030023320
513001100222000321240
6144552243323310012
76302322353401253
oct674477332141370
9130158033153708
1030554320323320
119810018300442
12351577007b308
13140834c413871
14778ba09d809a
1537ebc46ec9b5
hex1bc9fb68c2f8

30554320323320 has 128 divisors (see below), whose sum is σ = 72460845000000. Its totient is φ = 11563233656832.

The previous prime is 30554320323299. The next prime is 30554320323337. The reversal of 30554320323320 is 2332302345503.

It is a super-3 number, since 3×305543203233203 (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2123442686 + ... + 2123457074.

Almost surely, 230554320323320 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 30554320323320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36230422500000).

30554320323320 is an abundant number, since it is smaller than the sum of its proper divisors (41906524676680).

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

30554320323320 is a wasteful number, since it uses less digits than its factorization.

30554320323320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17905 (or 17901 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 35.

Adding to 30554320323320 its reverse (2332302345503), we get a palindrome (32886622668823).

The spelling of 30554320323320 in words is "thirty trillion, five hundred fifty-four billion, three hundred twenty million, three hundred twenty-three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 95 152 190 380 760 1249 2237 2498 4474 4996 6245 8948 9992 11185 12490 14389 17896 22370 23731 24980 28778 42503 44740 47462 49960 57556 71945 85006 89480 94924 115112 118655 143890 170012 189848 212515 237310 273391 287780 340024 425030 474620 546782 575560 850060 949240 1093564 1366955 1700120 2187128 2733910 2794013 5467820 5588026 10935640 11176052 13970065 17971861 22352104 27940130 32188193 35943722 53086247 55880260 64376386 71887444 89859305 106172494 111760520 128752772 143774888 160940965 179718610 212344988 257505544 265431235 321881930 341465359 359437220 424689976 530862470 611575667 643763860 682930718 718874440 1061724940 1223151334 1287527720 1365861436 1707326795 2123449880 2446302668 2731722872 3057878335 3414653590 4892605336 6115756670 6829307180 12231513340 13658614360 24463026680 40203053057 80406106114 160812212228 201015265285 321624424456 402030530570 763858008083 804061061140 1527716016166 1608122122280 3055432032332 3819290040415 6110864064664 7638580080830 15277160161660 30554320323320