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131285552798 = 2471396654817
BaseRepresentation
bin111101001000100111…
…0101000111010011110
3110112212111221002112102
41322101032220322132
54122333100142143
6140151201005102
712325243533461
oct1722116507236
9415774832472
10131285552798
11507502a9a64
122153b323792
13c4c332196a
1464d61092d8
153635b4d0b8
hex1e913a8e9e

131285552798 has 8 divisors (see below), whose sum is σ = 201118293792. Its totient is φ = 64246121536.

The previous prime is 131285552731. The next prime is 131285552807. The reversal of 131285552798 is 897255582131.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 698327315 + ... + 698327502.

It is an arithmetic number, because the mean of its divisors is an integer number (25139786724).

Almost surely, 2131285552798 is an apocalyptic number.

131285552798 is a deficient number, since it is larger than the sum of its proper divisors (69832740994).

131285552798 is a wasteful number, since it uses less digits than its factorization.

131285552798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396654866.

The product of its digits is 6048000, while the sum is 56.

The spelling of 131285552798 in words is "one hundred thirty-one billion, two hundred eighty-five million, five hundred fifty-two thousand, seven hundred ninety-eight".

Divisors: 1 2 47 94 1396654817 2793309634 65642776399 131285552798