Search a number
-
+
13148802563 = 131011446351
BaseRepresentation
bin11000011111011101…
…01100111000000011
31020221100210101012112
430033232230320003
5203412043140223
610012424245535
7643560656231
oct141756547003
936840711175
1013148802563
115638179a86
12266b6108ab
131317171860
148ca421951
1551e546778
hex30fbace03

13148802563 has 4 divisors (see below), whose sum is σ = 14160248928. Its totient is φ = 12137356200.

The previous prime is 13148802523. The next prime is 13148802577. The reversal of 13148802563 is 36520884131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36520884131 = 73949419329.

It is a cyclic number.

It is not a de Polignac number, because 13148802563 - 226 = 13081693699 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 13148802563.

It is not an unprimeable number, because it can be changed into a prime (13148802523) 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, 505723163 + ... + 505723188.

It is an arithmetic number, because the mean of its divisors is an integer number (3540062232).

Almost surely, 213148802563 is an apocalyptic number.

13148802563 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13148802563 is a deficient number, since it is larger than the sum of its proper divisors (1011446365).

13148802563 is a wasteful number, since it uses less digits than its factorization.

13148802563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011446364.

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 13148802563 in words is "thirteen billion, one hundred forty-eight million, eight hundred two thousand, five hundred sixty-three".

Divisors: 1 13 1011446351 13148802563