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14870697856 = 27716596761
BaseRepresentation
bin11011101100101110…
…01101011110000000
31102101100211201111021
431312113031132000
5220423344312411
610455334355224
71034336563150
oct156627153600
942340751437
1014870697856
116341137443
122a701bbb14
13152cb16101
14a10da6760
155c07c2a71
hex3765cd780

14870697856 has 32 divisors (see below), whose sum is σ = 33857394480. Its totient is φ = 6373155840.

The previous prime is 14870697781. The next prime is 14870697859. The reversal of 14870697856 is 65879607841.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×148706978562 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14870697794 and 14870697803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14870697859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8297485 + ... + 8299276.

Almost surely, 214870697856 is an apocalyptic number.

14870697856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

14870697856 is an abundant number, since it is smaller than the sum of its proper divisors (18986696624).

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

14870697856 is an equidigital number, since it uses as much as digits as its factorization.

14870697856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16596782 (or 16596770 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 61.

The spelling of 14870697856 in words is "fourteen billion, eight hundred seventy million, six hundred ninety-seven thousand, eight hundred fifty-six".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 448 896 16596761 33193522 66387044 116177327 132774088 232354654 265548176 464709308 531096352 929418616 1062192704 1858837232 2124385408 3717674464 7435348928 14870697856