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9678120902 = 247716072389
BaseRepresentation
bin10010000001101110…
…00110011111000110
3220222111002111000022
421000313012133012
5124310044332102
64240203415142
7461555445632
oct110067063706
926874074008
109678120902
11411705752a
121a612244b2
13bb30cbb78
1467b4d5dc2
153b99cb5a2
hex240dc67c6

9678120902 has 32 divisors (see below), whose sum is σ = 15065948160. Its totient is φ = 4659752160.

The previous prime is 9678120899. The next prime is 9678120913. The reversal of 9678120902 is 2090218769.

It is a happy number.

9678120902 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×96781209023 (a number of 31 digits) contains 333 as substring.

It is a congruent 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, 4049924 + ... + 4052312.

It is an arithmetic number, because the mean of its divisors is an integer number (470810880).

Almost surely, 29678120902 is an apocalyptic number.

9678120902 is a deficient number, since it is larger than the sum of its proper divisors (5387827258).

9678120902 is a wasteful number, since it uses less digits than its factorization.

9678120902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3116.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 9678120902 is about 98377.4410218115. The cubic root of 9678120902 is about 2131.0665602678.

The spelling of 9678120902 in words is "nine billion, six hundred seventy-eight million, one hundred twenty thousand, nine hundred two".

Divisors: 1 2 47 71 94 142 607 1214 2389 3337 4778 6674 28529 43097 57058 86194 112283 169619 224566 339238 1450123 2025559 2900246 4051118 7972093 15944186 68155781 102958733 136311562 205917466 4839060451 9678120902