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74040771070 = 25731123727583
BaseRepresentation
bin100010011110100101…
…1001000000111111110
321002010000202212201101
41010331023020013332
52203113414133240
654002554403314
75230541112220
oct1047513100776
9232100685641
1074040771070
11294450a31a2
121242413053a
136c9c642856
143825540410
151dd523b39a
hex113d2c81fe

74040771070 has 64 divisors (see below), whose sum is σ = 157358555136. Its totient is φ = 24545773440.

The previous prime is 74040771059. The next prime is 74040771083. The reversal of 74040771070 is 7017704047.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2670499 + ... + 2698081.

It is an arithmetic number, because the mean of its divisors is an integer number (2458727424).

Almost surely, 274040771070 is an apocalyptic number.

74040771070 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

74040771070 is an abundant number, since it is smaller than the sum of its proper divisors (83317784066).

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

74040771070 is a wasteful number, since it uses less digits than its factorization.

74040771070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28865.

The product of its (nonzero) digits is 38416, while the sum is 37.

The spelling of 74040771070 in words is "seventy-four billion, forty million, seven hundred seventy-one thousand, seventy".

Divisors: 1 2 5 7 10 14 31 35 62 70 155 217 310 434 1085 1237 2170 2474 6185 8659 12370 17318 27583 38347 43295 55166 76694 86590 137915 191735 193081 268429 275830 383470 386162 536858 855073 965405 1342145 1710146 1930810 2684290 4275365 5985511 8550730 11971022 29927555 34120171 59855110 68240342 170600855 238841197 341201710 477682394 1057725301 1194205985 2115450602 2388411970 5288626505 7404077107 10577253010 14808154214 37020385535 74040771070