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30846678864 = 243679591629
BaseRepresentation
bin11100101110100110…
…101111011101010000
32221121202110122102120
4130232212233131100
51001133222210424
622100515214240
72141260305231
oct345646573520
987552418376
1030846678864
111209a167431
125b8a5a7380
132ba790c801
1416c8a85088
15c08121a79
hex72e9af750

30846678864 has 40 divisors (see below), whose sum is σ = 80876624160. Its totient is φ = 10128759168.

The previous prime is 30846678859. The next prime is 30846678869. The reversal of 30846678864 is 46887664803.

It is an interprime number because it is at equal distance from previous prime (30846678859) and next prime (30846678869).

It is a junction number, because it is equal to n+sod(n) for n = 30846678798 and 30846678807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30846678869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4792599 + ... + 4799030.

It is an arithmetic number, because the mean of its divisors is an integer number (2021915604).

Almost surely, 230846678864 is an apocalyptic number.

It is an amenable number.

30846678864 is an abundant number, since it is smaller than the sum of its proper divisors (50029945296).

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

30846678864 is a wasteful number, since it uses less digits than its factorization.

30846678864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9591707 (or 9591701 counting only the distinct ones).

The product of its (nonzero) digits is 37158912, while the sum is 60.

The spelling of 30846678864 in words is "thirty billion, eight hundred forty-six million, six hundred seventy-eight thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 67 134 201 268 402 536 804 1072 1608 3216 9591629 19183258 28774887 38366516 57549774 76733032 115099548 153466064 230199096 460398192 642639143 1285278286 1927917429 2570556572 3855834858 5141113144 7711669716 10282226288 15423339432 30846678864