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131500014400 = 265282187509
BaseRepresentation
bin111101001111000000…
…0101111101101000000
3110120102110110212112201
41322132000233231000
54123303000430100
6140224341402544
712333456452116
oct1723600575500
9416373425481
10131500014400
115085036a157
122159b109454
13c5288a0511
1465167b3ab6
1536498b236a
hex1e9e02fb40

131500014400 has 42 divisors (see below), whose sum is σ = 323572226870. Its totient is φ = 52600005120.

The previous prime is 131500014397. The next prime is 131500014403. The reversal of 131500014400 is 4410005131.

It is an interprime number because it is at equal distance from previous prime (131500014397) and next prime (131500014403).

It can be written as a sum of positive squares in 3 ways, for example, as 25265738304 + 106234276096 = 158952^2 + 325936^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131500014403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41092155 + ... + 41095354.

Almost surely, 2131500014400 is an apocalyptic number.

131500014400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131500014400 is an abundant number, since it is smaller than the sum of its proper divisors (192072212470).

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

131500014400 is an equidigital number, since it uses as much as digits as its factorization.

131500014400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82187531 (or 82187516 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 131500014400 its reverse (4410005131), we get a palindrome (135910019531).

The spelling of 131500014400 in words is "one hundred thirty-one billion, five hundred million, fourteen thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 160 200 320 400 800 1600 82187509 164375018 328750036 410937545 657500072 821875090 1315000144 1643750180 2054687725 2630000288 3287500360 4109375450 5260000576 6575000720 8218750900 13150001440 16437501800 26300002880 32875003600 65750007200 131500014400