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34431892985 = 57983768371
BaseRepresentation
bin100000000100010011…
…001111110111111001
310021212121200101121202
4200010103033313321
51031004031033420
623452350543545
72326153155440
oct400423176771
9107777611552
1034431892985
11136699a6906
12680b207bb5
133329613899
141948ca5d57
15d67c62575
hex8044cfdf9

34431892985 has 8 divisors (see below), whose sum is σ = 47220881856. Its totient is φ = 23610440880.

The previous prime is 34431892897. The next prime is 34431893047. The reversal of 34431892985 is 58929813443.

34431892985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 34431892985 - 214 = 34431876601 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 34431892985.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491884151 + ... + 491884220.

It is an arithmetic number, because the mean of its divisors is an integer number (5902610232).

Almost surely, 234431892985 is an apocalyptic number.

34431892985 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

34431892985 is a deficient number, since it is larger than the sum of its proper divisors (12788988871).

34431892985 is an equidigital number, since it uses as much as digits as its factorization.

34431892985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983768383.

The product of its digits is 7464960, while the sum is 56.

The spelling of 34431892985 in words is "thirty-four billion, four hundred thirty-one million, eight hundred ninety-two thousand, nine hundred eighty-five".

Divisors: 1 5 7 35 983768371 4918841855 6886378597 34431892985