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13498828051 = 31069434479
BaseRepresentation
bin11001001001001011…
…11100010100010011
31021211202102111220111
430210211330110103
5210121144444201
610111250422151
7655341100552
oct144445742423
937752374814
1013498828051
1157a7811345
122748891957
131371836527
14920ad7d99
15540137b51
hex32497c513

13498828051 has 4 divisors (see below), whose sum is σ = 13499293600. Its totient is φ = 13498362504.

The previous prime is 13498828033. The next prime is 13498828153. The reversal of 13498828051 is 15082889431.

It is a happy number.

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 13498828051 - 227 = 13364610323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13498827986 and 13498828004.

It is not an unprimeable number, because it can be changed into a prime (13498828001) 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, 186171 + ... + 248308.

It is an arithmetic number, because the mean of its divisors is an integer number (3374823400).

Almost surely, 213498828051 is an apocalyptic number.

13498828051 is a deficient number, since it is larger than the sum of its proper divisors (465549).

13498828051 is an equidigital number, since it uses as much as digits as its factorization.

13498828051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465548.

The product of its (nonzero) digits is 552960, while the sum is 49.

The spelling of 13498828051 in words is "thirteen billion, four hundred ninety-eight million, eight hundred twenty-eight thousand, fifty-one".

Divisors: 1 31069 434479 13498828051