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131204030304 = 2531366708649
BaseRepresentation
bin111101000110001011…
…1101001111101100000
3110112122211112022200210
41322030113221331200
54122201212432204
6140135125414120
712323233566534
oct1721427517540
9415584468623
10131204030304
11507092889a6
1221517b6a340
13c4ac47a5b9
1464c9367bc4
15362d8e8389
hex1e8c5e9f60

131204030304 has 24 divisors (see below), whose sum is σ = 344410579800. Its totient is φ = 43734676736.

The previous prime is 131204030299. The next prime is 131204030351. The reversal of 131204030304 is 403030402131.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683354229 + ... + 683354420.

It is an arithmetic number, because the mean of its divisors is an integer number (14350440825).

Almost surely, 2131204030304 is an apocalyptic number.

It is an amenable number.

131204030304 is an abundant number, since it is smaller than the sum of its proper divisors (213206549496).

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

131204030304 is a wasteful number, since it uses less digits than its factorization.

131204030304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366708662 (or 1366708654 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 131204030304 its reverse (403030402131), we get a palindrome (534234432435).

The spelling of 131204030304 in words is "one hundred thirty-one billion, two hundred four million, thirty thousand, three hundred four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 1366708649 2733417298 4100125947 5466834596 8200251894 10933669192 16400503788 21867338384 32801007576 43734676768 65602015152 131204030304