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23145413232 = 2431743659639
BaseRepresentation
bin10101100011100100…
…101111101001110000
32012202001011211001010
4111203210233221300
5334400211210412
614344410310520
71446364523604
oct254344575160
965661154033
1023145413232
1198a7a89597
12459b428440
13224b2433b6
141197d41504
15906e8533c
hex56392fa70

23145413232 has 80 divisors (see below), whose sum is σ = 64781925120. Its totient is φ = 7092427776.

The previous prime is 23145413197. The next prime is 23145413237. The reversal of 23145413232 is 23231454132.

It is a self number, because there is not a number n which added to its sum of digits gives 23145413232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23145413237) 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, 294732 + ... + 364907.

It is an arithmetic number, because the mean of its divisors is an integer number (809774064).

Almost surely, 223145413232 is an apocalyptic number.

It is an amenable number.

23145413232 is an abundant number, since it is smaller than the sum of its proper divisors (41636511888).

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

23145413232 is a wasteful number, since it uses less digits than its factorization.

23145413232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659710 (or 659704 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

Adding to 23145413232 its reverse (23231454132), we get a palindrome (46376867364).

The spelling of 23145413232 in words is "twenty-three billion, one hundred forty-five million, four hundred thirteen thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 17 24 34 43 48 51 68 86 102 129 136 172 204 258 272 344 408 516 688 731 816 1032 1462 2064 2193 2924 4386 5848 8772 11696 17544 35088 659639 1319278 1978917 2638556 3957834 5277112 7915668 10554224 11213863 15831336 22427726 28364477 31662672 33641589 44855452 56728954 67283178 85093431 89710904 113457908 134566356 170186862 179421808 226915816 269132712 340373724 453831632 482196109 538265424 680747448 964392218 1361494896 1446588327 1928784436 2893176654 3857568872 5786353308 7715137744 11572706616 23145413232