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137890540074 = 23719172795163
BaseRepresentation
bin1000000001101011101…
…0101010101000101010
3111011220211101012201210
42000122322222220222
54224344434240244
6143202424453550
712651025152240
oct2003272525052
9434824335653
10137890540074
115352a684731
122288331a2b6
1310006841361
1469613dc790
1538c093b4b9
hex201aeaaa2a

137890540074 has 32 divisors (see below), whose sum is σ = 331766714880. Its totient is φ = 37323754992.

The previous prime is 137890540057. The next prime is 137890540087. The reversal of 137890540074 is 470045098731.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86396784 + ... + 86398379.

It is an arithmetic number, because the mean of its divisors is an integer number (10367709840).

Almost surely, 2137890540074 is an apocalyptic number.

137890540074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

137890540074 is an abundant number, since it is smaller than the sum of its proper divisors (193876174806).

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

137890540074 is a wasteful number, since it uses less digits than its factorization.

137890540074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172795194.

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 137890540074 in words is "one hundred thirty-seven billion, eight hundred ninety million, five hundred forty thousand, seventy-four".

Divisors: 1 2 3 6 7 14 19 21 38 42 57 114 133 266 399 798 172795163 345590326 518385489 1036770978 1209566141 2419132282 3283108097 3628698423 6566216194 7257396846 9849324291 19698648582 22981756679 45963513358 68945270037 137890540074