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131234206448 = 248202137903
BaseRepresentation
bin111101000111000101…
…0110001001011110000
3110112201221022102120202
41322032022301023300
54122231424101243
6140142124254332
712324051230612
oct1721612611360
9415657272522
10131234206448
1150724319764
12215260a13a8
13c4b57b47c7
1464cd380db2
1536313a94b8
hex1e8e2b12f0

131234206448 has 10 divisors (see below), whose sum is σ = 254266275024. Its totient is φ = 65617103216.

The previous prime is 131234206447. The next prime is 131234206483. The reversal of 131234206448 is 844602432131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131234206447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4101068936 + ... + 4101068967.

Almost surely, 2131234206448 is an apocalyptic number.

It is an amenable number.

131234206448 is a deficient number, since it is larger than the sum of its proper divisors (123032068576).

131234206448 is an equidigital number, since it uses as much as digits as its factorization.

131234206448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8202137911 (or 8202137905 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 38.

Adding to 131234206448 its reverse (844602432131), we get a palindrome (975836638579).

The spelling of 131234206448 in words is "one hundred thirty-one billion, two hundred thirty-four million, two hundred six thousand, four hundred forty-eight".

Divisors: 1 2 4 8 16 8202137903 16404275806 32808551612 65617103224 131234206448