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137797390340 = 2256889869517
BaseRepresentation
bin1000000001010101011…
…1010101000000000100
3111011200100002201022122
42000111113111000010
54224202112442330
6143145300145112
712645514330541
oct2002527250004
9434610081278
10137797390340
1153492041985
1222858098198
13ccc045887c
146952cb1bc8
1538b768b5e5
hex20155d5004

137797390340 has 12 divisors (see below), whose sum is σ = 289374519756. Its totient is φ = 55118956128.

The previous prime is 137797390327. The next prime is 137797390363. The reversal of 137797390340 is 43093797731.

It can be written as a sum of positive squares in 2 ways, for example, as 93539328964 + 44258061376 = 305842^2 + 210376^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3444934739 + ... + 3444934778.

It is an arithmetic number, because the mean of its divisors is an integer number (24114543313).

Almost surely, 2137797390340 is an apocalyptic number.

137797390340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137797390340 is an abundant number, since it is smaller than the sum of its proper divisors (151577129416).

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

137797390340 is a wasteful number, since it uses less digits than its factorization.

137797390340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6889869526 (or 6889869524 counting only the distinct ones).

The product of its (nonzero) digits is 3000564, while the sum is 53.

The spelling of 137797390340 in words is "one hundred thirty-seven billion, seven hundred ninety-seven million, three hundred ninety thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 6889869517 13779739034 27559478068 34449347585 68898695170 137797390340