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137653776650 = 252131491421309
BaseRepresentation
bin1000000000110011001…
…1011111000100001010
3111011022022212101101002
42000030303133010022
54223403331323100
6143123130055002
712642121536665
oct2001463370412
9434268771332
10137653776650
1153418a71885
1222817b7a462
13cc99784760
14693bbaa6dc
1538a9c6e2d5
hex200ccdf10a

137653776650 has 48 divisors (see below), whose sum is σ = 277581843000. Its totient is φ = 50484860160.

The previous prime is 137653776649. The next prime is 137653776661. The reversal of 137653776650 is 56677356731.

It can be written as a sum of positive squares in 12 ways, for example, as 2371787401 + 135281989249 = 48701^2 + 367807^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 613805 + ... + 807504.

Almost surely, 2137653776650 is an apocalyptic number.

137653776650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137653776650 is an abundant number, since it is smaller than the sum of its proper divisors (139928066350).

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

137653776650 is a wasteful number, since it uses less digits than its factorization.

137653776650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421483 (or 1421478 counting only the distinct ones).

The product of its (nonzero) digits is 16669800, while the sum is 56.

The spelling of 137653776650 in words is "one hundred thirty-seven billion, six hundred fifty-three million, seven hundred seventy-six thousand, six hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 130 149 298 325 650 745 1490 1937 3725 3874 7450 9685 19370 48425 96850 1421309 2842618 7106545 14213090 18477017 35532725 36954034 71065450 92385085 184770170 211775041 423550082 461925425 923850850 1058875205 2117750410 2753075533 5294376025 5506151066 10588752050 13765377665 27530755330 68826888325 137653776650