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6430072955 = 510977315263
BaseRepresentation
bin1011111110100001…
…10010000001111011
3121121010022112212012
411333100302001323
5101132044313310
62542014440135
7315225501245
oct57720620173
917533275765
106430072955
1127aa676a89
1212b550304b
137b62095c7
1444dda1095
1527978bc05
hex17f43207b

6430072955 has 16 divisors (see below), whose sum is σ = 7797461760. Its totient is φ = 5089938048.

The previous prime is 6430072939. The next prime is 6430073021. The reversal of 6430072955 is 5592700346.

It is a cyclic number.

It is not a de Polignac number, because 6430072955 - 24 = 6430072939 is a prime.

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, 413654 + ... + 428916.

It is an arithmetic number, because the mean of its divisors is an integer number (487341360).

Almost surely, 26430072955 is an apocalyptic number.

6430072955 is a deficient number, since it is larger than the sum of its proper divisors (1367388805).

6430072955 is a wasteful number, since it uses less digits than its factorization.

6430072955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16150.

The product of its (nonzero) digits is 226800, while the sum is 41.

The square root of 6430072955 is about 80187.7356894432. The cubic root of 6430072955 is about 1859.5390381766.

The spelling of 6430072955 in words is "six billion, four hundred thirty million, seventy-two thousand, nine hundred fifty-five".

Divisors: 1 5 109 545 773 3865 15263 76315 84257 421285 1663667 8318335 11798299 58991495 1286014591 6430072955