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42353215431 = 3597122914717
BaseRepresentation
bin100111011100011100…
…101100011111000111
311001022200001021012120
4213130130230133013
51143214410343211
631242400221023
73026360251122
oct473434543707
9131280037176
1042353215431
1116a6431668a
12826000a773
133cbc76a527
14209ad2d3b9
15117d3bad06
hex9dc72c7c7

42353215431 has 32 divisors (see below), whose sum is σ = 58495219200. Its totient is φ = 27244613760.

The previous prime is 42353215423. The next prime is 42353215451. The reversal of 42353215431 is 13451235324.

It is not a de Polignac number, because 42353215431 - 23 = 42353215423 is a prime.

It is a super-2 number, since 2×423532154312 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42353215392 and 42353215401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42353215451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2870485 + ... + 2885201.

It is an arithmetic number, because the mean of its divisors is an integer number (1827975600).

Almost surely, 242353215431 is an apocalyptic number.

42353215431 is a deficient number, since it is larger than the sum of its proper divisors (16142003769).

42353215431 is a wasteful number, since it uses less digits than its factorization.

42353215431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15079.

The product of its digits is 43200, while the sum is 33.

The spelling of 42353215431 in words is "forty-two billion, three hundred fifty-three million, two hundred fifteen thousand, four hundred thirty-one".

Divisors: 1 3 59 71 177 213 229 687 4189 12567 13511 14717 16259 40533 44151 48777 868303 959281 1044907 2604909 2877843 3134721 3370193 10110579 61649513 184948539 198841387 239283703 596524161 717851109 14117738477 42353215431