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30400712164 = 22871792
BaseRepresentation
bin11100010100000001…
…100000110111100100
32220110200022012010101
4130110001200313210
5444230040242124
621544344433444
72124233534614
oct342401406744
986420265111
1030400712164
1111990456009
125a85178884
132b363c58a4
141685756a44
15bcddcd644
hex714060de4

30400712164 has 9 divisors (see below), whose sum is σ = 53201856547. Its totient is φ = 15200181724.

The previous prime is 30400712149. The next prime is 30400712171. The reversal of 30400712164 is 46121700403.

The square root of 30400712164 is 174358.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 305127 + ... + 392305.

Almost surely, 230400712164 is an apocalyptic number.

30400712164 is the 174358-th square number.

It is an amenable number.

30400712164 is a deficient number, since it is larger than the sum of its proper divisors (22801144383).

30400712164 is an frugal number, since it uses more digits than its factorization.

30400712164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174362 (or 87181 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The spelling of 30400712164 in words is "thirty billion, four hundred million, seven hundred twelve thousand, one hundred sixty-four".

Divisors: 1 2 4 87179 174358 348716 7600178041 15200356082 30400712164