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137171780474141 = 722799424091309
BaseRepresentation
bin11111001100000111001011…
…001111111001010100011101
3122222200111100020020111122002
4133030013023033321110131
5120434410301300133031
61203423502423132045
740615222411001600
oct3714071317712435
9588614306214562
10137171780474141
113a786253020276
12134749878a4025
135b7032197c28a
1425c3214700337
1510cd245a90ccb
hex7cc1cb3f951d

137171780474141 has 6 divisors (see below), whose sum is σ = 159567173204670. Its totient is φ = 117575811834936.

The previous prime is 137171780474123. The next prime is 137171780474161. The reversal of 137171780474141 is 141474087171731.

It can be written as a sum of positive squares in only one way, i.e., 106287419157241 + 30884361316900 = 10309579^2 + 5557370^2 .

It is a de Polignac number, because none of the positive numbers 2k-137171780474141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137171780474161) 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, 1399712045606 + ... + 1399712045703.

It is an arithmetic number, because the mean of its divisors is an integer number (26594528867445).

Almost surely, 2137171780474141 is an apocalyptic number.

It is an amenable number.

137171780474141 is a deficient number, since it is larger than the sum of its proper divisors (22395392730529).

137171780474141 is an equidigital number, since it uses as much as digits as its factorization.

137171780474141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2799424091323 (or 2799424091316 counting only the distinct ones).

The product of its (nonzero) digits is 3687936, while the sum is 56.

The spelling of 137171780474141 in words is "one hundred thirty-seven trillion, one hundred seventy-one billion, seven hundred eighty million, four hundred seventy-four thousand, one hundred forty-one".

Divisors: 1 7 49 2799424091309 19595968639163 137171780474141