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17100997913 = 63127101423
BaseRepresentation
bin11111110110100110…
…01000010100011001
31122010210112201000002
433323103020110121
5240010323413123
611504525422345
71143531040526
oct177323102431
948123481002
1017100997913
11728608192a
12339310a9b5
1317c6bc619c
14b8329014d
156a14c7528
hex3fb4c8519

17100997913 has 4 divisors (see below), whose sum is σ = 17128099968. Its totient is φ = 17073895860.

The previous prime is 17100997897. The next prime is 17100997919. The reversal of 17100997913 is 31979900171.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31979900171 = 311102829261.

It is a cyclic number.

It is not a de Polignac number, because 17100997913 - 24 = 17100997897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (17100997919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13550081 + ... + 13551342.

It is an arithmetic number, because the mean of its divisors is an integer number (4282024992).

Almost surely, 217100997913 is an apocalyptic number.

It is an amenable number.

17100997913 is a deficient number, since it is larger than the sum of its proper divisors (27102055).

17100997913 is an equidigital number, since it uses as much as digits as its factorization.

17100997913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27102054.

The product of its (nonzero) digits is 107163, while the sum is 47.

The spelling of 17100997913 in words is "seventeen billion, one hundred million, nine hundred ninety-seven thousand, nine hundred thirteen".

Divisors: 1 631 27101423 17100997913