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121286410383868 = 2239241772702087
BaseRepresentation
bin11011100100111100110001…
…011010000011000111111100
3120220102212102110212110102121
4123210330301122003013330
5111344124032024240433
61105542112511532324
734355440213060462
oct3344746132030774
9526385373773377
10121286410383868
1135711306805694
121172a15152a0a4
13528a34ac51022
1421d441784a832
15e04e104acc2d
hex6e4f316831fc

121286410383868 has 12 divisors (see below), whose sum is σ = 212256627361072. Its totient is φ = 60641659709280.

The previous prime is 121286410383847. The next prime is 121286410383877. The reversal of 121286410383868 is 868383014682121.

It is a super-2 number, since 2×1212864103838682 (a number of 29 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386194080 + ... + 386508007.

Almost surely, 2121286410383868 is an apocalyptic number.

It is an amenable number.

121286410383868 is a deficient number, since it is larger than the sum of its proper divisors (90970216977204).

121286410383868 is a wasteful number, since it uses less digits than its factorization.

121286410383868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772741332 (or 772741330 counting only the distinct ones).

The product of its (nonzero) digits is 21233664, while the sum is 61.

The spelling of 121286410383868 in words is "one hundred twenty-one trillion, two hundred eighty-six billion, four hundred ten million, three hundred eighty-three thousand, eight hundred sixty-eight".

Divisors: 1 2 4 39241 78482 156964 772702087 1545404174 3090808348 30321602595967 60643205191934 121286410383868