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23145155150015 = 531539512767763
BaseRepresentation
bin1010100001100111001101…
…10000000100000010111111
310000221122200122202102020002
411100303212300010002333
511013202234204300030
6121120423144144515
74606116343502123
oct520634660040277
9100848618672202
1023145155150015
117413894764408
12271982976813b
13cbb76a717542
145a03352ad583
152a20d2b9d245
hex150ce6c040bf

23145155150015 has 16 divisors (see below), whose sum is σ = 28670669438976. Its totient is φ = 17918491188000.

The previous prime is 23145155150003. The next prime is 23145155150027. The reversal of 23145155150015 is 51005155154132.

It is an interprime number because it is at equal distance from previous prime (23145155150003) and next prime (23145155150027).

It is not a de Polignac number, because 23145155150015 - 220 = 23145154101439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6978524 + ... + 9746286.

It is an arithmetic number, because the mean of its divisors is an integer number (1791916839936).

Almost surely, 223145155150015 is an apocalyptic number.

23145155150015 is a deficient number, since it is larger than the sum of its proper divisors (5525514288961).

23145155150015 is a wasteful number, since it uses less digits than its factorization.

23145155150015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2821750.

The product of its (nonzero) digits is 75000, while the sum is 38.

The spelling of 23145155150015 in words is "twenty-three trillion, one hundred forty-five billion, one hundred fifty-five million, one hundred fifty thousand, fifteen".

Divisors: 1 5 31 155 53951 269755 1672481 2767763 8362405 13838815 85800653 429003265 149323581613 746617908065 4629031030003 23145155150015