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13052108051 = 20287643373
BaseRepresentation
bin11000010011111011…
…10101110100010011
31020200121211210021022
430021331311310103
5203212314424201
65555051550055
7641305042103
oct141175656423
936617753238
1013052108051
115598635a64
12264315b32b
131300117778
148bb651203
15515ce641b
hex309f75d13

13052108051 has 4 divisors (see below), whose sum is σ = 13052771712. Its totient is φ = 13051444392.

The previous prime is 13052107993. The next prime is 13052108063. The reversal of 13052108051 is 15080125031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15080125031 = 67225076493.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13052108051 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 13052108051.

It is not an unprimeable number, because it can be changed into a prime (13052108081) 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 3 ways as a sum of consecutive naturals, for example, 301400 + ... + 341973.

It is an arithmetic number, because the mean of its divisors is an integer number (3263192928).

Almost surely, 213052108051 is an apocalyptic number.

13052108051 is a deficient number, since it is larger than the sum of its proper divisors (663661).

13052108051 is an equidigital number, since it uses as much as digits as its factorization.

13052108051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663660.

The product of its (nonzero) digits is 1200, while the sum is 26.

The spelling of 13052108051 in words is "thirteen billion, fifty-two million, one hundred eight thousand, fifty-one".

Divisors: 1 20287 643373 13052108051