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23668143992 = 232958517999
BaseRepresentation
bin10110000010101110…
…110011011101111000
32021002110210021211122
4112002232303131320
5341433021101432
614512322244412
71465342622153
oct260256633570
967073707748
1023668143992
11a046060989
1247064b6708
13230262683c
141207532c9a
15937cdd612
hex582bb3778

23668143992 has 8 divisors (see below), whose sum is σ = 44377770000. Its totient is φ = 11834071992.

The previous prime is 23668143977. The next prime is 23668144001. The reversal of 23668143992 is 29934186632.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

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 as a sum of consecutive naturals, namely, 1479258992 + ... + 1479259007.

It is an arithmetic number, because the mean of its divisors is an integer number (5547221250).

Almost surely, 223668143992 is an apocalyptic number.

It is an amenable number.

23668143992 is a deficient number, since it is larger than the sum of its proper divisors (20709626008).

23668143992 is a wasteful number, since it uses less digits than its factorization.

23668143992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2958518005 (or 2958518001 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 53.

The spelling of 23668143992 in words is "twenty-three billion, six hundred sixty-eight million, one hundred forty-three thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 2958517999 5917035998 11834071996 23668143992