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42183281668 = 22111889507523
BaseRepresentation
bin100111010010010100…
…011100110000000100
311000212211021201220111
4213102110130300010
51142342410003133
631213450042404
73022224656323
oct472224346004
9130784251814
1042183281668
11169873a9960
128213119404
133c934ac3c8
1420825360ba
15116d5001cd
hex9d251cc04

42183281668 has 24 divisors (see below), whose sum is σ = 80574510240. Its totient is φ = 19164030720.

The previous prime is 42183281663. The next prime is 42183281669. The reversal of 42183281668 is 86618238124.

It is not an unprimeable number, because it can be changed into a prime (42183281663) 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, 170646 + ... + 336877.

It is an arithmetic number, because the mean of its divisors is an integer number (3357271260).

Almost surely, 242183281668 is an apocalyptic number.

It is an amenable number.

42183281668 is a deficient number, since it is larger than the sum of its proper divisors (38391228572).

42183281668 is a wasteful number, since it uses less digits than its factorization.

42183281668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509427 (or 509425 counting only the distinct ones).

The product of its digits is 884736, while the sum is 49.

The spelling of 42183281668 in words is "forty-two billion, one hundred eighty-three million, two hundred eighty-one thousand, six hundred sixty-eight".

Divisors: 1 2 4 11 22 44 1889 3778 7556 20779 41558 83116 507523 1015046 2030092 5582753 11165506 22331012 958710947 1917421894 3834843788 10545820417 21091640834 42183281668