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23120110125 = 335374123869
BaseRepresentation
bin10101100010000100…
…001110001000101101
32012200021120021201000
4111202010032020231
5334322222011000
614342104110513
71445636456610
oct254204161055
965607507630
1023120110125
119894776a32
124592a65439
132245c24248
141194836177
15904b38000
hex56210e22d

23120110125 has 128 divisors (see below), whose sum is σ = 50046796800. Its totient is φ = 10310976000.

The previous prime is 23120110103. The next prime is 23120110141. The reversal of 23120110125 is 52101102132.

It is not a de Polignac number, because 23120110125 - 26 = 23120110061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23120110098 and 23120110107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 956691 + ... + 980559.

It is an arithmetic number, because the mean of its divisors is an integer number (390990600).

Almost surely, 223120110125 is an apocalyptic number.

23120110125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23120110125 is an abundant number, since it is smaller than the sum of its proper divisors (26926686675).

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

23120110125 is a wasteful number, since it uses less digits than its factorization.

23120110125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23941 (or 23925 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 23120110125 its reverse (52101102132), we get a palindrome (75221212257).

The spelling of 23120110125 in words is "twenty-three billion, one hundred twenty million, one hundred ten thousand, one hundred twenty-five".

Divisors: 1 3 5 7 9 15 21 25 27 35 41 45 63 75 105 123 125 135 175 189 205 225 287 315 369 375 525 615 675 861 875 945 1025 1107 1125 1435 1575 1845 2583 2625 3075 3375 4305 4725 5125 5535 7175 7749 7875 9225 12915 15375 21525 23625 23869 27675 35875 38745 46125 64575 71607 107625 119345 138375 167083 193725 214821 322875 358035 501249 596725 644463 835415 968625 978629 1074105 1503747 1790175 2506245 2935887 2983625 3222315 4177075 4511241 4893145 5370525 6850403 7518735 8807661 8950875 12531225 14679435 16111575 20551209 20885375 22556205 24465725 26422983 26852625 34252015 37593675 44038305 61653627 62656125 73397175 80557875 102756045 112781025 122328625 132114915 171260075 184960881 187968375 220191525 308268135 366985875 513780225 563905125 660574575 856300375 924804405 1100957625 1541340675 2568901125 3302872875 4624022025 7706703375 23120110125