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137756017660 = 2256887800883
BaseRepresentation
bin1000000001001011100…
…1100000001111111100
3111011120110020202200011
42000102321200033330
54224111020031120
6143141221313004
712644502554512
oct2002271401774
9434513222604
10137756017660
1153470753a88
1222846265764
13ccb4a012b1
14694b5c24b2
1538b3c17c5a
hex2012e603fc

137756017660 has 12 divisors (see below), whose sum is σ = 289287637128. Its totient is φ = 55102407056.

The previous prime is 137756017657. The next prime is 137756017673. The reversal of 137756017660 is 66710657731.

It is a happy number.

It is a congruent number.

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, 3443900422 + ... + 3443900461.

It is an arithmetic number, because the mean of its divisors is an integer number (24107303094).

Almost surely, 2137756017660 is an apocalyptic number.

137756017660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137756017660 is an abundant number, since it is smaller than the sum of its proper divisors (151531619468).

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

137756017660 is a wasteful number, since it uses less digits than its factorization.

137756017660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6887800892 (or 6887800890 counting only the distinct ones).

The product of its (nonzero) digits is 1111320, while the sum is 49.

The spelling of 137756017660 in words is "one hundred thirty-seven billion, seven hundred fifty-six million, seventeen thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 6887800883 13775601766 27551203532 34439004415 68878008830 137756017660