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23431621106113 = 1143112451396943
BaseRepresentation
bin1010101001111100110010…
…11100111101100111000001
310001222001002221222202222221
411110332121130331213001
511032400430000343423
6121500201011531041
74635610262112523
oct524763134754701
9101861087882887
1023431621106113
117514327287160
1227652565b9a81
13100c79162c83c
145b014cb8ba13
152a979c0b9e5d
hex154f9973d9c1

23431621106113 has 16 divisors (see below), whose sum is σ = 25623198830592. Its totient is φ = 21250289970000.

The previous prime is 23431621106051. The next prime is 23431621106161. The reversal of 23431621106113 is 31160112613432.

It is a cyclic number.

It is not a de Polignac number, because 23431621106113 - 29 = 23431621105601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23431621106713) 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, 58831720 + ... + 59228662.

It is an arithmetic number, because the mean of its divisors is an integer number (1601449926912).

Almost surely, 223431621106113 is an apocalyptic number.

It is an amenable number.

23431621106113 is a deficient number, since it is larger than the sum of its proper divisors (2191577724479).

23431621106113 is a wasteful number, since it uses less digits than its factorization.

23431621106113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409836.

The product of its (nonzero) digits is 15552, while the sum is 34.

Adding to 23431621106113 its reverse (31160112613432), we get a palindrome (54591733719545).

The spelling of 23431621106113 in words is "twenty-three trillion, four hundred thirty-one billion, six hundred twenty-one million, one hundred six thousand, one hundred thirteen".

Divisors: 1 11 431 4741 12451 136961 396943 4366373 5366381 59030191 171082433 1881906763 4942337293 54365710223 2130147373283 23431621106113