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230438431556 = 22431339758323
BaseRepresentation
bin1101011010011100110…
…0110110101101000100
3211000210122120012220022
43112213030312231010
512233414214302211
6253510103154312
722435323230654
oct3264714665504
9730718505808
10230438431556
118980153a363
12387b1445998
1318965490518
14b220856364
155eda803bdb
hex35a7336b44

230438431556 has 12 divisors (see below), whose sum is σ = 412645563792. Its totient is φ = 112539699048.

The previous prime is 230438431549. The next prime is 230438431579. The reversal of 230438431556 is 655134834032.

It is a super-2 number, since 2×2304384315562 (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 669878990 + ... + 669879333.

It is an arithmetic number, because the mean of its divisors is an integer number (34387130316).

Almost surely, 2230438431556 is an apocalyptic number.

It is an amenable number.

230438431556 is a deficient number, since it is larger than the sum of its proper divisors (182207132236).

230438431556 is a wasteful number, since it uses less digits than its factorization.

230438431556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339758370 (or 1339758368 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 230438431556 in words is "two hundred thirty billion, four hundred thirty-eight million, four hundred thirty-one thousand, five hundred fifty-six".

Divisors: 1 2 4 43 86 172 1339758323 2679516646 5359033292 57609607889 115219215778 230438431556