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23011202004 = 22371971390573
BaseRepresentation
bin10101011011100100…
…110001001111010100
32012101200122011211220
4111123210301033110
5334111331431004
614323213530340
71443144663330
oct253344611724
965350564756
1023011202004
11983925071a
1245624a39b0
1322294b1b7b
1411841a67c0
158ea2c3dd9
hex55b9313d4

23011202004 has 48 divisors (see below), whose sum is σ = 61674738048. Its totient is φ = 6541250688.

The previous prime is 23011201903. The next prime is 23011202063. The reversal of 23011202004 is 40020211032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 678739 + ... + 711834.

It is an arithmetic number, because the mean of its divisors is an integer number (1284890376).

Almost surely, 223011202004 is an apocalyptic number.

It is an amenable number.

23011202004 is an abundant number, since it is smaller than the sum of its proper divisors (38663536044).

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

23011202004 is a wasteful number, since it uses less digits than its factorization.

23011202004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390784 (or 1390782 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 23011202004 its reverse (40020211032), we get a palindrome (63031413036).

The spelling of 23011202004 in words is "twenty-three billion, eleven million, two hundred two thousand, four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 197 394 591 788 1182 1379 2364 2758 4137 5516 8274 16548 1390573 2781146 4171719 5562292 8343438 9734011 16686876 19468022 29202033 38936044 58404066 116808132 273942881 547885762 821828643 1095771524 1643657286 1917600167 3287314572 3835200334 5752800501 7670400668 11505601002 23011202004