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23487351232 = 2617231019293
BaseRepresentation
bin10101110111111101…
…001000100111000000
32020121212121001210111
4111313331020213000
5341100230214412
614442343241104
71461016122442
oct256775104700
966555531714
1023487351232
119a62aa7684
124675a49194
1322a4035b87
1411cb510492
15926eca2a7
hex577f489c0

23487351232 has 112 divisors (see below), whose sum is σ = 52010413632. Its totient is φ = 10466508800.

The previous prime is 23487351193. The next prime is 23487351233. The reversal of 23487351232 is 23215378432.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23487351233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2522778 + ... + 2532070.

Almost surely, 223487351232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23487351232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26005206816).

23487351232 is an abundant number, since it is smaller than the sum of its proper divisors (28523062400).

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

23487351232 is a wasteful number, since it uses less digits than its factorization.

23487351232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9446 (or 9436 counting only the distinct ones).

The product of its digits is 241920, while the sum is 40.

The spelling of 23487351232 in words is "twenty-three billion, four hundred eighty-seven million, three hundred fifty-one thousand, two hundred thirty-two".

Divisors: 1 2 4 8 16 17 23 32 34 46 64 68 92 101 136 184 202 272 368 391 404 544 736 782 808 1088 1472 1564 1616 1717 2323 3128 3232 3434 4646 6256 6464 6868 9292 9293 12512 13736 18584 18586 25024 27472 37168 37172 39491 54944 74336 74344 78982 109888 148672 148688 157964 157981 213739 297376 315928 315962 427478 594752 631856 631924 854956 938593 1263712 1263848 1709912 1877186 2527424 2527696 3419824 3633563 3754372 5055392 6839648 7267126 7508744 10110784 13679296 14534252 15017488 15956081 21587639 29068504 30034976 31912162 43175278 58137008 60069952 63824324 86350556 116274016 127648648 172701112 232548032 255297296 345402224 366989863 510594592 690804448 733979726 1021189184 1381608896 1467959452 2935918904 5871837808 11743675616 23487351232