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137955308166 = 2331373236877
BaseRepresentation
bin1000000001111011000…
…1101111001010000110
3111012002100020202212000
42000132301233022012
54230013024330131
6143213101010130
712652442525424
oct2003661571206
9435070222760
10137955308166
11535631a1985
12228a0b53946
131001709a680
146969c5c114
1538c6481ce6
hex201ec6f286

137955308166 has 96 divisors (see below), whose sum is σ = 334743081120. Its totient is φ = 41865175296.

The previous prime is 137955308147. The next prime is 137955308177. The reversal of 137955308166 is 661803559731.

137955308166 is a `hidden beast` number, since 1 + 3 + 7 + 9 + 553 + 0 + 81 + 6 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3722520 + ... + 3759396.

It is an arithmetic number, because the mean of its divisors is an integer number (3486907095).

Almost surely, 2137955308166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 137955308166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167371540560).

137955308166 is an abundant number, since it is smaller than the sum of its proper divisors (196787772954).

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

137955308166 is a wasteful number, since it uses less digits than its factorization.

137955308166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37047 (or 36968 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 54.

The spelling of 137955308166 in words is "one hundred thirty-seven billion, nine hundred fifty-five million, three hundred eight thousand, one hundred sixty-six".

Divisors: 1 2 3 6 9 13 18 26 27 39 54 73 78 117 146 219 234 351 438 657 702 949 1314 1898 1971 2847 3942 5329 5694 8541 10658 15987 17082 25623 31974 36877 47961 51246 69277 73754 95922 110631 138554 143883 207831 221262 287766 331893 415662 479401 623493 663786 958802 995679 1246986 1438203 1870479 1991358 2692021 2876406 3740958 4314609 5384042 8076063 8629218 12943827 16152126 24228189 25887654 34996273 48456378 69992546 72684567 104988819 145369134 196517533 209977638 314966457 393035066 589552599 629932914 944899371 1179105198 1768657797 1889798742 2554727929 3537315594 5109455858 5305973391 7664183787 10611946782 15328367574 22992551361 45985102722 68977654083 137955308166