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12530163545 = 529413675743
BaseRepresentation
bin10111010101101101…
…10001111101011001
31012100020201021000022
423222312301331121
5201130210213140
65431204520225
7622336430024
oct135266617531
935306637008
1012530163545
11534aa50369
1225183b0075
131248c4b173
1486c1c61bb
154d50960b5
hex2eadb1f59

12530163545 has 32 divisors (see below), whose sum is σ = 15980267520. Its totient is φ = 9415042560.

The previous prime is 12530163533. The next prime is 12530163551. The reversal of 12530163545 is 54536103521.

It is a de Polignac number, because none of the positive numbers 2k-12530163545 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2178944 + ... + 2184686.

It is an arithmetic number, because the mean of its divisors is an integer number (499383360).

Almost surely, 212530163545 is an apocalyptic number.

It is an amenable number.

12530163545 is a deficient number, since it is larger than the sum of its proper divisors (3450103975).

12530163545 is a wasteful number, since it uses less digits than its factorization.

12530163545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6185.

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 12530163545 in words is "twelve billion, five hundred thirty million, one hundred sixty-three thousand, five hundred forty-five".

Divisors: 1 5 29 41 145 205 367 1189 1835 5743 5945 10643 15047 28715 53215 75235 166547 235463 436363 832735 1177315 2107681 2181815 6828427 10538405 34142135 61122749 86414921 305613745 432074605 2506032709 12530163545