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23045232100 = 22521153395287
BaseRepresentation
bin10101011101100110…
…100101010111100100
32012111001200002100211
4111131212211113210
5334144034411400
614330431145204
71444040145412
oct253546452744
965431602324
1023045232100
119856483a70
124571975204
132233568317
1411889042b2
158ed296dba
hex55d9a55e4

23045232100 has 72 divisors (see below), whose sum is σ = 55583817408. Its totient is φ = 8221948800.

The previous prime is 23045232097. The next prime is 23045232109. The reversal of 23045232100 is 123254032.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (23045232109) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 139344 + ... + 255943.

It is an arithmetic number, because the mean of its divisors is an integer number (771997464).

Almost surely, 223045232100 is an apocalyptic number.

23045232100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23045232100 is an abundant number, since it is smaller than the sum of its proper divisors (32538585308).

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

23045232100 is a wasteful number, since it uses less digits than its factorization.

23045232100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395365 (or 395358 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 23045232100 its reverse (123254032), we get a palindrome (23168486132).

The spelling of 23045232100 in words is "twenty-three billion, forty-five million, two hundred thirty-two thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 53 55 100 106 110 212 220 265 275 530 550 583 1060 1100 1166 1325 2332 2650 2915 5300 5830 11660 14575 29150 58300 395287 790574 1581148 1976435 3952870 4348157 7905740 8696314 9882175 17392628 19764350 20950211 21740785 39528700 41900422 43481570 83800844 86963140 104751055 108703925 209502110 217407850 230452321 419004220 434815700 460904642 523755275 921809284 1047510550 1152261605 2095021100 2304523210 4609046420 5761308025 11522616050 23045232100