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131401213432 = 2388120699011
BaseRepresentation
bin111101001100000011…
…1110110010111111000
3110120011120120021002121
41322120013312113320
54123102202312212
6140210452011024
712331146612466
oct1723007662770
9416146507077
10131401213432
11507aa617565
1221572000a74
13c5112896c8
146507615836
153640d97d07
hex1e981f65f8

131401213432 has 32 divisors (see below), whose sum is σ = 246803533200. Its totient is φ = 65587033600.

The previous prime is 131401213423. The next prime is 131401213459. The reversal of 131401213432 is 234312104131.

It is a junction number, because it is equal to n+sod(n) for n = 131401213397 and 131401213406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14577807 + ... + 14586817.

Almost surely, 2131401213432 is an apocalyptic number.

It is an amenable number.

131401213432 is a deficient number, since it is larger than the sum of its proper divisors (115402319768).

131401213432 is a wasteful number, since it uses less digits than its factorization.

131401213432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11967 (or 11963 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 131401213432 its reverse (234312104131), we get a palindrome (365713317563).

The spelling of 131401213432 in words is "one hundred thirty-one billion, four hundred one million, two hundred thirteen thousand, four hundred thirty-two".

Divisors: 1 2 4 8 881 1762 2069 3524 4138 7048 8276 9011 16552 18022 36044 72088 1822789 3645578 7291156 7938691 14582312 15877382 18643759 31754764 37287518 63509528 74575036 149150072 16425151679 32850303358 65700606716 131401213432