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23115243205100 = 22522917944529461
BaseRepresentation
bin1010100000101111011111…
…10111000011000111101100
310000211210111001011011201102
411100113233313003013230
511012210004230030400
6121054555055302232
74604010163245464
oct520275767030754
9100753431134642
1023115243205100
1174021351a3482
122713a8021a978
13cb89b1673057
1459cad8826ba4
152a1431b699d5
hex1505efdc31ec

23115243205100 has 72 divisors (see below), whose sum is σ = 52179623571600. Its totient is φ = 8877393145600.

The previous prime is 23115243205097. The next prime is 23115243205123. The reversal of 23115243205100 is 150234251132.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21745631 + ... + 22783830.

It is an arithmetic number, because the mean of its divisors is an integer number (724716994050).

Almost surely, 223115243205100 is an apocalyptic number.

23115243205100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23115243205100 is an abundant number, since it is smaller than the sum of its proper divisors (29064380366500).

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

23115243205100 is a wasteful number, since it uses less digits than its factorization.

23115243205100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44529683 (or 44529676 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 23115243205100 its reverse (150234251132), we get a palindrome (23265477456232).

The spelling of 23115243205100 in words is "twenty-three trillion, one hundred fifteen billion, two hundred forty-three million, two hundred five thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 29 50 58 100 116 145 179 290 358 580 716 725 895 1450 1790 2900 3580 4475 5191 8950 10382 17900 20764 25955 51910 103820 129775 259550 519100 44529461 89058922 178117844 222647305 445294610 890589220 1113236525 1291354369 2226473050 2582708738 4452946100 5165417476 6456771845 7970773519 12913543690 15941547038 25827087380 31883094076 32283859225 39853867595 64567718450 79707735190 129135436900 159415470380 199269337975 231152432051 398538675950 462304864102 797077351900 924609728204 1155762160255 2311524320510 4623048641020 5778810801275 11557621602550 23115243205100