Search a number
-
+
13131032302232 = 2313126259925983
BaseRepresentation
bin1011111100010100111010…
…0001000001001010011000
31201111022111012220011100022
42333011032201001022120
53210114323232132412
643532151333330012
72523454135654265
oct277051641011230
951438435804308
1013131032302232
114202926455869
121580a70196908
13743335699c70
1433578c64a26c
1517b87ce5ca72
hexbf14e841298

13131032302232 has 16 divisors (see below), whose sum is σ = 26514584456640. Its totient is φ = 6060476447136.

The previous prime is 13131032302153. The next prime is 13131032302237. The reversal of 13131032302232 is 23220323013131.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13131032302237) 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, 63129962888 + ... + 63129963095.

It is an arithmetic number, because the mean of its divisors is an integer number (1657161528540).

Almost surely, 213131032302232 is an apocalyptic number.

It is an amenable number.

13131032302232 is an abundant number, since it is smaller than the sum of its proper divisors (13383552154408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13131032302232 is a wasteful number, since it uses less digits than its factorization.

13131032302232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126259926002 (or 126259925998 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 13131032302232 its reverse (23220323013131), we get a palindrome (36351355315363).

The spelling of 13131032302232 in words is "thirteen trillion, one hundred thirty-one billion, thirty-two million, three hundred two thousand, two hundred thirty-two".

Divisors: 1 2 4 8 13 26 52 104 126259925983 252519851966 505039703932 1010079407864 1641379037779 3282758075558 6565516151116 13131032302232