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30997514426 = 2103244761493
BaseRepresentation
bin11100110111100110…
…001000100010111010
32222000021021212220212
4130313212020202322
51001440330430201
622123504151122
72145101345114
oct346746104272
988007255825
1030997514426
111216731a41a
1260110084a2
132bccc41b18
141700b0a3b4
15c164b8abb
hex7379888ba

30997514426 has 16 divisors (see below), whose sum is σ = 46967641344. Its totient is φ = 15341762064.

The previous prime is 30997514393. The next prime is 30997514467. The reversal of 30997514426 is 62441579903.

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, 473336 + ... + 534828.

It is an arithmetic number, because the mean of its divisors is an integer number (2935477584).

Almost surely, 230997514426 is an apocalyptic number.

30997514426 is a deficient number, since it is larger than the sum of its proper divisors (15970126918).

30997514426 is a wasteful number, since it uses less digits than its factorization.

30997514426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64045.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 30997514426 in words is "thirty billion, nine hundred ninety-seven million, five hundred fourteen thousand, four hundred twenty-six".

Divisors: 1 2 103 206 2447 4894 61493 122986 252041 504082 6333779 12667558 150473371 300946742 15498757213 30997514426