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131525413277 = 3115137375329
BaseRepresentation
bin111101001111110000…
…1101000100110011101
3110120111020021021020212
41322133201220212131
54123331001211102
6140231050022205
712334215365246
oct1723741504635
9416436237225
10131525413277
1150863737765
12215a7717965
13c530c2413b
146519d05ccd
15364bc2cc52
hex1e9f86899d

131525413277 has 16 divisors (see below), whose sum is σ = 137035514880. Its totient is φ = 126099072000.

The previous prime is 131525413241. The next prime is 131525413297. The reversal of 131525413277 is 772314525131.

It is a happy number.

It is not a de Polignac number, because 131525413277 - 26 = 131525413213 is a prime.

It is a super-3 number, since 3×1315254132773 (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131525413297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1708349 + ... + 1783677.

It is an arithmetic number, because the mean of its divisors is an integer number (8564719680).

Almost surely, 2131525413277 is an apocalyptic number.

It is an amenable number.

131525413277 is a deficient number, since it is larger than the sum of its proper divisors (5510101603).

131525413277 is a wasteful number, since it uses less digits than its factorization.

131525413277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75884.

The product of its digits is 176400, while the sum is 41.

The spelling of 131525413277 in words is "one hundred thirty-one billion, five hundred twenty-five million, four hundred thirteen thousand, two hundred seventy-seven".

Divisors: 1 31 151 373 4681 11563 56323 75329 1746013 2335199 11374679 28097717 352615049 871029227 4242755267 131525413277