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23894668470 = 2351954077753
BaseRepresentation
bin10110010000001110…
…111011010010110110
32021200021000221000010
4112100032323102312
5342414013342340
614551013401050
71504063221321
oct262016732266
967607027003
1023894668470
11a151a100a2
12476a339186
13233a539baa
14122965b7b8
1594cb36b80
hex5903bb4b6

23894668470 has 64 divisors (see below), whose sum is σ = 60384430080. Its totient is φ = 6034652928.

The previous prime is 23894668429. The next prime is 23894668493. The reversal of 23894668470 is 7486649832.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a self number, because there is not a number n which added to its sum of digits gives 23894668470.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3078114 + ... + 3085866.

It is an arithmetic number, because the mean of its divisors is an integer number (943506720).

Almost surely, 223894668470 is an apocalyptic number.

23894668470 is an abundant number, since it is smaller than the sum of its proper divisors (36489761610).

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

23894668470 is a wasteful number, since it uses less digits than its factorization.

23894668470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13189.

The product of its (nonzero) digits is 13934592, while the sum is 57.

The spelling of 23894668470 in words is "twenty-three billion, eight hundred ninety-four million, six hundred sixty-eight thousand, four hundred seventy".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 570 5407 7753 10814 15506 16221 23259 27035 32442 38765 46518 54070 77530 81105 102733 116295 147307 162210 205466 232590 294614 308199 441921 513665 616398 736535 883842 1027330 1473070 1540995 2209605 3081990 4419210 41920471 83840942 125761413 209602355 251522826 419204710 628807065 796488949 1257614130 1592977898 2389466847 3982444745 4778933694 7964889490 11947334235 23894668470