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23057145369 = 3343154912821
BaseRepresentation
bin10101011110010100…
…000001111000011001
32012111220002100022000
4111132110001320121
5334210112122434
614331534351213
71444243334106
oct253624017031
965456070260
1023057145369
119862180645
12457595b509
132235b799ab
14118a325aad
158ee34bb99
hex55e501e19

23057145369 has 32 divisors (see below), whose sum is σ = 34978416000. Its totient is φ = 15003092160.

The previous prime is 23057145343. The next prime is 23057145389. The reversal of 23057145369 is 96354175032.

23057145369 is a `hidden beast` number, since 2 + 3 + 0 + 571 + 45 + 36 + 9 = 666.

It is not a de Polignac number, because 23057145369 - 223 = 23048756761 is a prime.

It is a super-2 number, since 2×230571453692 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23057145389) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1791979 + ... + 1804799.

It is an arithmetic number, because the mean of its divisors is an integer number (1093075500).

Almost surely, 223057145369 is an apocalyptic number.

It is an amenable number.

23057145369 is a deficient number, since it is larger than the sum of its proper divisors (11921270631).

23057145369 is a wasteful number, since it uses less digits than its factorization.

23057145369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14422 (or 14416 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The spelling of 23057145369 in words is "twenty-three billion, fifty-seven million, one hundred forty-five thousand, three hundred sixty-nine".

Divisors: 1 3 9 27 43 129 387 1161 1549 4647 12821 13941 38463 41823 66607 115389 199821 346167 551303 599463 1653909 1798389 4961727 14885181 19859729 59579187 178737561 536212683 853968347 2561905041 7685715123 23057145369