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203200302030 = 235118311636379
BaseRepresentation
bin1011110100111110101…
…1101000101111001110
3201102111101012212120020
42331033223220233032
511312123234131110
6233203211403010
720452331032425
oct2751753505716
9642441185506
10203200302030
11791a4300510
123346b453466
131621436530b
149b991482bc
1554443d1d70
hex2f4fae8bce

203200302030 has 128 divisors (see below), whose sum is σ = 538972600320. Its totient is φ = 48617708160.

The previous prime is 203200302023. The next prime is 203200302139. The reversal of 203200302030 is 30203002302.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31851381 + ... + 31857759.

It is an arithmetic number, because the mean of its divisors is an integer number (4210723440).

Almost surely, 2203200302030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203200302030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269486300160).

203200302030 is an abundant number, since it is smaller than the sum of its proper divisors (335772298290).

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

203200302030 is a wasteful number, since it uses less digits than its factorization.

203200302030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7646.

The product of its (nonzero) digits is 216, while the sum is 15.

Adding to 203200302030 its reverse (30203002302), we get a palindrome (233403304332).

The spelling of 203200302030 in words is "two hundred three billion, two hundred million, three hundred two thousand, thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 83 110 165 166 249 330 415 498 830 913 1163 1245 1826 2326 2490 2739 3489 4565 5478 5815 6379 6978 9130 11630 12758 12793 13695 17445 19137 25586 27390 31895 34890 38274 38379 63790 63965 70169 76758 95685 96529 127930 140338 191370 191895 193058 210507 289587 350845 383790 421014 482645 529457 579174 701690 965290 1052535 1058914 1061819 1447935 1588371 2105070 2123638 2647285 2895870 3176742 3185457 5294570 5309095 5824027 6370914 7418777 7941855 10618190 11648054 14837554 15883710 15927285 17472081 22256331 29120135 31854570 34944162 37093885 44512662 58240270 74187770 81606547 87360405 111281655 163213094 174720810 222563310 244819641 408032735 489639282 615758491 816065470 1224098205 1231516982 1847275473 2448196410 3078792455 3694550946 6157584910 6773343401 9236377365 13546686802 18472754730 20320030203 33866717005 40640060406 67733434010 101600151015 203200302030