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30604564644 = 2232550380387
BaseRepresentation
bin11100100000001011…
…001001100010100100
32220222212212222011020
4130200023021202210
51000134232032034
622020510011140
72132260335663
oct344013114244
986885788136
1030604564644
1111a8552a435
125b214a6ab0
132b696cb564
1416a485cdda
15be1c49249
hex7202c98a4

30604564644 has 12 divisors (see below), whose sum is σ = 71410650864. Its totient is φ = 10201521544.

The previous prime is 30604564633. The next prime is 30604564663. The reversal of 30604564644 is 44646540603.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 30604564596 and 30604564605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1275190182 + ... + 1275190205.

It is an arithmetic number, because the mean of its divisors is an integer number (5950887572).

Almost surely, 230604564644 is an apocalyptic number.

It is an amenable number.

30604564644 is an abundant number, since it is smaller than the sum of its proper divisors (40806086220).

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

30604564644 is a wasteful number, since it uses less digits than its factorization.

30604564644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550380394 (or 2550380392 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 42.

The spelling of 30604564644 in words is "thirty billion, six hundred four million, five hundred sixty-four thousand, six hundred forty-four".

Divisors: 1 2 3 4 6 12 2550380387 5100760774 7651141161 10201521548 15302282322 30604564644