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131404432404413 = 7191303758252687
BaseRepresentation
bin11101111000001011111010…
…100000111110111110111101
3122020021010210211100120001002
4131320023322200332332331
5114210412234143420123
61143250210214300045
736451441222161410
oct3570137240767675
9566233724316032
10131404432404413
1138962341427563
12128a3086657625
13584250055955c
142464019319b77
15102d1e68e3528
hex7782fa83efbd

131404432404413 has 16 divisors (see below), whose sum is σ = 158201840824320. Its totient is φ = 106622459694576.

The previous prime is 131404432404391. The next prime is 131404432404481. The reversal of 131404432404413 is 314404234404131.

It is a happy number.

It is not a de Polignac number, because 131404432404413 - 212 = 131404432400317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131404432404493) 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, 378953045 + ... + 379299642.

It is an arithmetic number, because the mean of its divisors is an integer number (9887615051520).

Almost surely, 2131404432404413 is an apocalyptic number.

It is an amenable number.

131404432404413 is a deficient number, since it is larger than the sum of its proper divisors (26797408419907).

131404432404413 is a wasteful number, since it uses less digits than its factorization.

131404432404413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758254016.

The product of its (nonzero) digits is 221184, while the sum is 38.

Adding to 131404432404413 its reverse (314404234404131), we get a palindrome (445808666808544).

The spelling of 131404432404413 in words is "one hundred thirty-one trillion, four hundred four billion, four hundred thirty-two million, four hundred four thousand, four hundred thirteen".

Divisors: 1 7 19 133 1303 9121 24757 173299 758252687 5307768809 14406801053 100847607371 988003251161 6916022758127 18772061772059 131404432404413