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122137761740 = 225172391503049
BaseRepresentation
bin111000110111111111…
…0100101011111001100
3102200020222202011022012
41301233332211133030
54000114231333430
6132035340040352
711552454562631
oct1615776453714
9380228664265
10122137761740
1147886645165
121b8078330b8
13b696067047
145ca9222188
15329c9cb695
hex1c6ffa57cc

122137761740 has 48 divisors (see below), whose sum is σ = 272713392000. Its totient is φ = 45788854272.

The previous prime is 122137761727. The next prime is 122137761773. The reversal of 122137761740 is 47167731221.

It is a happy 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, 670265 + ... + 832784.

It is an arithmetic number, because the mean of its divisors is an integer number (5681529000).

Almost surely, 2122137761740 is an apocalyptic number.

122137761740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122137761740 is an abundant number, since it is smaller than the sum of its proper divisors (150575630260).

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

122137761740 is a wasteful number, since it uses less digits than its factorization.

122137761740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503314 (or 1503312 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 41.

The spelling of 122137761740 in words is "one hundred twenty-two billion, one hundred thirty-seven million, seven hundred sixty-one thousand, seven hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 239 340 478 956 1195 2390 4063 4780 8126 16252 20315 40630 81260 1503049 3006098 6012196 7515245 15030490 25551833 30060980 51103666 102207332 127759165 255518330 359228711 511036660 718457422 1436914844 1796143555 3592287110 6106888087 7184574220 12213776174 24427552348 30534440435 61068880870 122137761740