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13118902607 = 13177995591
BaseRepresentation
bin11000011011111001…
…01001000101001111
31020212021112022011202
430031330221011033
5203331414340412
610005435340115
7643045555316
oct141574510517
936767468152
1013118902607
115622307778
1226615b163b
131310c03285
148c647b27d
1551badc3c2
hex30df2914f

13118902607 has 4 divisors (see below), whose sum is σ = 13119911376. Its totient is φ = 13117893840.

The previous prime is 13118902603. The next prime is 13118902619. The reversal of 13118902607 is 70620981131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13118902607 - 22 = 13118902603 is a prime.

It is a super-2 number, since 2×131189026072 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13118902603) 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, 484619 + ... + 510972.

It is an arithmetic number, because the mean of its divisors is an integer number (3279977844).

Almost surely, 213118902607 is an apocalyptic number.

13118902607 is a deficient number, since it is larger than the sum of its proper divisors (1008769).

13118902607 is an equidigital number, since it uses as much as digits as its factorization.

13118902607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008768.

The product of its (nonzero) digits is 18144, while the sum is 38.

The spelling of 13118902607 in words is "thirteen billion, one hundred eighteen million, nine hundred two thousand, six hundred seven".

Divisors: 1 13177 995591 13118902607