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23014570540 = 22513375345139
BaseRepresentation
bin10101011011110001…
…100111101000101100
32012101220222022121111
4111123301213220230
5334113212224130
614323414041404
71443215423203
oct253361475054
965356868544
1023014570540
119840141535
124563649264
13222a0c11a0
14118480223a
158ea73c02a
hex55bc67a2c

23014570540 has 96 divisors (see below), whose sum is σ = 54464840640. Its totient is φ = 8111840256.

The previous prime is 23014570519. The next prime is 23014570567. The reversal of 23014570540 is 4507541032.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 487291 + ... + 532429.

It is an arithmetic number, because the mean of its divisors is an integer number (567342090).

Almost surely, 223014570540 is an apocalyptic number.

23014570540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23014570540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27232420320).

23014570540 is an abundant number, since it is smaller than the sum of its proper divisors (31450270100).

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

23014570540 is a wasteful number, since it uses less digits than its factorization.

23014570540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45251 (or 45249 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The spelling of 23014570540 in words is "twenty-three billion, fourteen million, five hundred seventy thousand, five hundred forty".

Divisors: 1 2 4 5 10 13 20 26 37 52 53 65 74 106 130 148 185 212 260 265 370 481 530 689 740 962 1060 1378 1924 1961 2405 2756 3445 3922 4810 6890 7844 9620 9805 13780 19610 25493 39220 45139 50986 90278 101972 127465 180556 225695 254930 451390 509860 586807 902780 1173614 1670143 2347228 2392367 2934035 3340286 4784734 5868070 6680572 8350715 9569468 11736140 11961835 16701430 21711859 23923670 31100771 33402860 43423718 47847340 62201542 86847436 88517579 108559295 124403084 155503855 177035158 217118590 311007710 354070316 434237180 442587895 622015420 885175790 1150728527 1770351580 2301457054 4602914108 5753642635 11507285270 23014570540