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23634143472 = 2431925914631
BaseRepresentation
bin10110000000101101…
…000110100011110000
32021000002210212220010
4112000231012203300
5341400320042342
614505105414520
71464450622242
oct260055064360
967002725803
1023634143472
11a028948885
1246b703a440
1322c85809a4
141202c02092
15934d2429c
hex580b468f0

23634143472 has 40 divisors (see below), whose sum is σ = 64268287360. Its totient is φ = 7463413440.

The previous prime is 23634143447. The next prime is 23634143483. The reversal of 23634143472 is 27434143632.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 23634143472.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12956404 + ... + 12958227.

It is an arithmetic number, because the mean of its divisors is an integer number (1606707184).

Almost surely, 223634143472 is an apocalyptic number.

It is an amenable number.

23634143472 is an abundant number, since it is smaller than the sum of its proper divisors (40634143888).

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

23634143472 is a wasteful number, since it uses less digits than its factorization.

23634143472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25914661 (or 25914655 counting only the distinct ones).

The product of its digits is 290304, while the sum is 39.

The spelling of 23634143472 in words is "twenty-three billion, six hundred thirty-four million, one hundred forty-three thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 19 24 38 48 57 76 114 152 228 304 456 912 25914631 51829262 77743893 103658524 155487786 207317048 310975572 414634096 492377989 621951144 984755978 1243902288 1477133967 1969511956 2954267934 3939023912 5908535868 7878047824 11817071736 23634143472