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427702889951994 = 231929239953927351
BaseRepresentation
bin110000100111111100101011…
…0110100110011001011111010
32002002100222220210010202202210
41201033321112310303023322
5422024441004311430434
64113351554541435550
7156042341220152136
oct14117712664631372
92062328823122683
10427702889951994
11114308860206348
123bb7782856bbb6
131548629525a3b7
147788d04b603c6
15346a801322ee9
hex184fe56d332fa

427702889951994 has 64 divisors (see below), whose sum is σ = 931864642560000. Its totient is φ = 130352327582400.

The previous prime is 427702889951993. The next prime is 427702889952061. The reversal of 427702889951994 is 499159988207724.

It is a Smith number, since the sum of its digits (84) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (427702889951993) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19032582 + ... + 34894769.

It is an arithmetic number, because the mean of its divisors is an integer number (14560385040000).

Almost surely, 2427702889951994 is an apocalyptic number.

427702889951994 is an abundant number, since it is smaller than the sum of its proper divisors (504161752608006).

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

427702889951994 is a wasteful number, since it uses less digits than its factorization.

427702889951994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53929803.

The product of its (nonzero) digits is 6584094720, while the sum is 84.

The spelling of 427702889951994 in words is "four hundred twenty-seven trillion, seven hundred two billion, eight hundred eighty-nine million, nine hundred fifty-one thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 19 29 38 57 58 87 114 174 551 1102 1653 2399 3306 4798 7197 14394 45581 69571 91162 136743 139142 208713 273486 417426 1321849 2643698 3965547 7931094 53927351 107854702 161782053 323564106 1024619669 1563893179 2049239338 3073859007 3127786358 4691679537 6147718014 9383359074 29713970401 59427940802 89141911203 129371715049 178283822406 258743430098 388115145147 776230290294 2458062585931 3751779736421 4916125171862 7374187757793 7503559472842 11255339209263 14748375515586 22510678418526 71283814991999 142567629983998 213851444975997 427702889951994