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15125053345 = 523539725583
BaseRepresentation
bin11100001011000010…
…11111111110100001
31110001002110022121221
432011201133332201
5221434003201340
610540502215041
71043545555303
oct160541377641
943032408557
1015125053345
116461775496
122b21424481
13157072210c
14a36a97973
155d7cb744a
hex38585ffa1

15125053345 has 32 divisors (see below), whose sum is σ = 19496236032. Its totient is φ = 11238070272.

The previous prime is 15125053343. The next prime is 15125053387. The reversal of 15125053345 is 54335052151.

It is a cyclic number.

It is not a de Polignac number, because 15125053345 - 21 = 15125053343 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15125053345.

It is not an unprimeable number, because it can be changed into a prime (15125053343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 578424 + ... + 604006.

It is an arithmetic number, because the mean of its divisors is an integer number (609257376).

Almost surely, 215125053345 is an apocalyptic number.

It is an amenable number.

15125053345 is a deficient number, since it is larger than the sum of its proper divisors (4371182687).

15125053345 is a wasteful number, since it uses less digits than its factorization.

15125053345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25761.

The product of its (nonzero) digits is 45000, while the sum is 34.

The spelling of 15125053345 in words is "fifteen billion, one hundred twenty-five million, fifty-three thousand, three hundred forty-five".

Divisors: 1 5 23 53 97 115 265 485 1219 2231 5141 6095 11155 25583 25705 118243 127915 588409 591215 1355899 2481551 2942045 6779495 12407755 31185677 57075673 131522203 155928385 285378365 657611015 3025010669 15125053345