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30864018664 = 2315619247007
BaseRepresentation
bin11100101111101000…
…111000110011101000
32221122222002121011101
4130233220320303220
51001202142044124
622102335011144
72141560554463
oct345750706350
987588077141
1030864018664
11120a8a30046
125b94369ab4
132bab3a114b
1416cb0ba2da
15c098e9644
hex72fa38ce8

30864018664 has 16 divisors (see below), whose sum is σ = 57873974400. Its totient is φ = 15430958832.

The previous prime is 30864018649. The next prime is 30864018673. The reversal of 30864018664 is 46681046803.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1449 + ... + 248455.

It is an arithmetic number, because the mean of its divisors is an integer number (3617123400).

Almost surely, 230864018664 is an apocalyptic number.

It is an amenable number.

30864018664 is a deficient number, since it is larger than the sum of its proper divisors (27009955736).

30864018664 is a wasteful number, since it uses less digits than its factorization.

30864018664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262632 (or 262628 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 46.

The spelling of 30864018664 in words is "thirty billion, eight hundred sixty-four million, eighteen thousand, six hundred sixty-four".

Divisors: 1 2 4 8 15619 31238 62476 124952 247007 494014 988028 1976056 3858002333 7716004666 15432009332 30864018664