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23003021139 = 372831885339
BaseRepresentation
bin10101011011000101…
…100011111101010011
32012101010020112210220
4111123011203331103
5334102233134024
614322322324123
71443015311400
oct253305437523
965333215726
1023003021139
11983467327a
12455b7b9643
1322278a9317
1411830772a7
158e9709e79
hex55b163f53

23003021139 has 24 divisors (see below), whose sum is σ = 36108031680. Its totient is φ = 12986208144.

The previous prime is 23003021131. The next prime is 23003021143. The reversal of 23003021139 is 93112030032.

It is not a de Polignac number, because 23003021139 - 23 = 23003021131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23003021131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 930469 + ... + 954870.

It is an arithmetic number, because the mean of its divisors is an integer number (1504501320).

Almost surely, 223003021139 is an apocalyptic number.

23003021139 is a deficient number, since it is larger than the sum of its proper divisors (13105010541).

23003021139 is a wasteful number, since it uses less digits than its factorization.

23003021139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885439 (or 1885432 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

The spelling of 23003021139 in words is "twenty-three billion, three million, twenty-one thousand, one hundred thirty-nine".

Divisors: 1 3 7 21 49 83 147 249 581 1743 4067 12201 1885339 5656017 13197373 39592119 92381611 156483137 277144833 469449411 1095381959 3286145877 7667673713 23003021139