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8730644938 = 229122692
BaseRepresentation
bin10000010000110001…
…10001000111001010
3211112110020201022221
420020120301013022
5120340021114223
64002200004254
7426232154221
oct101030610712
924473221287
108730644938
113780248844
121837a6068a
13a91a21bc2
145cb73bcb8
15361722b5d
hex2086311ca

8730644938 has 12 divisors (see below), whose sum is σ = 13548656790. Its totient is φ = 4214450576.

The previous prime is 8730644927. The next prime is 8730644959. The reversal of 8730644938 is 8394460378.

It can be written as a sum of positive squares in 3 ways, for example, as 8481857409 + 248787529 = 92097^2 + 15773^2 .

It is a super-2 number, since 2×87306449382 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 705468 + ... + 717736.

Almost surely, 28730644938 is an apocalyptic number.

8730644938 is a deficient number, since it is larger than the sum of its proper divisors (4818011852).

8730644938 is an frugal number, since it uses more digits than its factorization.

8730644938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24569 (or 12300 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 52.

The square root of 8730644938 is about 93437.9202358443. The cubic root of 8730644938 is about 2059.1221428475.

The spelling of 8730644938 in words is "eight billion, seven hundred thirty million, six hundred forty-four thousand, nine hundred thirty-eight".

Divisors: 1 2 29 58 12269 24538 355801 711602 150528361 301056722 4365322469 8730644938