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30880307947952 = 2443317141590437
BaseRepresentation
bin1110000010101111000011…
…10010010010100110110000
311001100010110202101221122102
413001113201302102212300
513021420332313313302
6145402115001355532
76335012550444251
oct701274162224660
9131303422357572
1030880307947952
1199262a0874771
123568988798ba8
131430001272048
1478a88732cb28
15388403618702
hex1c15e1c929b0

30880307947952 has 40 divisors (see below), whose sum is σ = 61415135663376. Its totient is φ = 15033506132736.

The previous prime is 30880307947943. The next prime is 30880307947997. The reversal of 30880307947952 is 25974970308803.

It is a super-2 number, since 2×308803079479522 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70577123 + ... + 71013314.

Almost surely, 230880307947952 is an apocalyptic number.

It is an amenable number.

30880307947952 is a deficient number, since it is larger than the sum of its proper divisors (30534827715424).

30880307947952 is a wasteful number, since it uses less digits than its factorization.

30880307947952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141590805 (or 141590799 counting only the distinct ones).

The product of its (nonzero) digits is 91445760, while the sum is 65.

The spelling of 30880307947952 in words is "thirty trillion, eight hundred eighty billion, three hundred seven million, nine hundred forty-seven thousand, nine hundred fifty-two".

Divisors: 1 2 4 8 16 43 86 172 317 344 634 688 1268 2536 5072 13631 27262 54524 109048 218096 141590437 283180874 566361748 1132723496 2265446992 6088388791 12176777582 24353555164 44884168529 48707110328 89768337058 97414220656 179536674116 359073348232 718146696464 1930019246747 3860038493494 7720076986988 15440153973976 30880307947952