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15070191697 = 119738336877
BaseRepresentation
bin11100000100100000…
…01110000001010001
31102220021020001121001
432002100032001101
5221330432113242
610531222302001
71042311341641
oct160220160121
942807201531
1015070191697
116433804090
122b06b87901
131562253bc2
14a2d696521
155d307beb7
hex38240e051

15070191697 has 16 divisors (see below), whose sum is σ = 16653514752. Its totient is φ = 13523166720.

The previous prime is 15070191679. The next prime is 15070191737. The reversal of 15070191697 is 79619107051.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-15070191697 is a prime.

It is a super-2 number, since 2×150701916972 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15070111697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 390223 + ... + 427099.

It is an arithmetic number, because the mean of its divisors is an integer number (1040844672).

Almost surely, 215070191697 is an apocalyptic number.

It is an amenable number.

15070191697 is a deficient number, since it is larger than the sum of its proper divisors (1583323055).

15070191697 is a wasteful number, since it uses less digits than its factorization.

15070191697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37368.

The product of its (nonzero) digits is 119070, while the sum is 46.

The spelling of 15070191697 in words is "fifteen billion, seventy million, one hundred ninety-one thousand, six hundred ninety-seven".

Divisors: 1 11 97 383 1067 4213 36877 37151 405647 408661 3577069 14123891 39347759 155362801 1370017427 15070191697