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30212385664 = 27236034263
BaseRepresentation
bin11100001000110011…
…000110101110000000
32212222112221012201211
4130020303012232000
5443333332320124
621513540135504
72116456020016
oct341063065600
985875835654
1030212385664
11118a411657a
125a32097594
132b06397aa6
1416687328b6
15bbc5cce94
hex708cc6b80

30212385664 has 16 divisors (see below), whose sum is σ = 60188737320. Its totient is φ = 15106192768.

The previous prime is 30212385641. The next prime is 30212385673. The reversal of 30212385664 is 46658321203.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118017004 + ... + 118017259.

Almost surely, 230212385664 is an apocalyptic number.

It is an amenable number.

30212385664 is a deficient number, since it is larger than the sum of its proper divisors (29976351656).

30212385664 is an equidigital number, since it uses as much as digits as its factorization.

30212385664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236034277 (or 236034265 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 30212385664 in words is "thirty billion, two hundred twelve million, three hundred eighty-five thousand, six hundred sixty-four".

Divisors: 1 2 4 8 16 32 64 128 236034263 472068526 944137052 1888274104 3776548208 7553096416 15106192832 30212385664