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131020441444001 = 19163271156109223
BaseRepresentation
bin11101110010100110010010…
…110111101101111010100001
3122011220102122211121122211102
4131302212102313231322201
5114133114331002202001
61142353543155324145
736411625451650244
oct3562462267557241
9564812584548742
10131020441444001
113882450355459a
12128407808b0655
13581523681ab05
14244d5cd39d25b
1510232206c8e6b
hex772992dedea1

131020441444001 has 16 divisors (see below), whose sum is σ = 139274405283840. Its totient is φ = 122907912665040.

The previous prime is 131020441443989. The next prime is 131020441444049. The reversal of 131020441444001 is 100444144020131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 131020441444001 - 210 = 131020441442977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131020441446001) 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, 77215325 + ... + 78893898.

It is an arithmetic number, because the mean of its divisors is an integer number (8704650330240).

Almost surely, 2131020441444001 is an apocalyptic number.

It is an amenable number.

131020441444001 is a deficient number, since it is larger than the sum of its proper divisors (8253963839839).

131020441444001 is a wasteful number, since it uses less digits than its factorization.

131020441444001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156109676.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 131020441444001 its reverse (100444144020131), we get a palindrome (231464585464132).

The spelling of 131020441444001 in words is "one hundred thirty-one trillion, twenty billion, four hundred forty-one million, four hundred forty-four thousand, one".

Divisors: 1 19 163 271 3097 5149 44173 839287 156109223 2966075237 25445803349 42305599433 483470263631 803806389227 6895812707579 131020441444001