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23155544244 = 2237929296729
BaseRepresentation
bin10101100100001011…
…011001000010110100
32012202202020112011210
4111210023121002310
5334410304403434
614345411401420
71446546610230
oct254413310264
965682215153
1023155544244
119902779128
1245a28b3270
13225037c791
14119941b5c0
15907cd6ee9
hex5642d90b4

23155544244 has 48 divisors (see below), whose sum is σ = 61814793600. Its totient is φ = 6608726016.

The previous prime is 23155544221. The next prime is 23155544249. The reversal of 23155544244 is 44244555132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23155544249) 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, 70329 + ... + 226400.

It is an arithmetic number, because the mean of its divisors is an integer number (1287808200).

Almost surely, 223155544244 is an apocalyptic number.

It is an amenable number.

23155544244 is an abundant number, since it is smaller than the sum of its proper divisors (38659249356).

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

23155544244 is a wasteful number, since it uses less digits than its factorization.

23155544244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297672 (or 297670 counting only the distinct ones).

The product of its digits is 384000, while the sum is 39.

The spelling of 23155544244 in words is "twenty-three billion, one hundred fifty-five million, five hundred forty-four thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 929 1858 2787 3716 5574 6503 11148 13006 19509 26012 39018 78036 296729 593458 890187 1186916 1780374 2077103 3560748 4154206 6231309 8308412 12462618 24925236 275661241 551322482 826983723 1102644964 1653967446 1929628687 3307934892 3859257374 5788886061 7718514748 11577772122 23155544244