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13006136191 = 23360791961
BaseRepresentation
bin11000001110011100…
…11110001101111111
31020120102100011201211
430013032132031333
5203114032324231
65550330345251
7640206222256
oct140716361577
936512304654
1013006136191
115574696694
12262b88b227
1312c373c999
148b54c579d
15511c64eb1
hex30739e37f

13006136191 has 8 divisors (see below), whose sum is σ = 13083617664. Its totient is φ = 12928840320.

The previous prime is 13006136189. The next prime is 13006136197. The reversal of 13006136191 is 19163160031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13006136191 - 21 = 13006136189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13006136197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95451 + ... + 187411.

It is an arithmetic number, because the mean of its divisors is an integer number (1635452208).

Almost surely, 213006136191 is an apocalyptic number.

13006136191 is a deficient number, since it is larger than the sum of its proper divisors (77481473).

13006136191 is an equidigital number, since it uses as much as digits as its factorization.

13006136191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92801.

The product of its (nonzero) digits is 2916, while the sum is 31.

The spelling of 13006136191 in words is "thirteen billion, six million, one hundred thirty-six thousand, one hundred ninety-one".

Divisors: 1 233 607 91961 141431 21426913 55820327 13006136191