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42160105420 = 22540145711503
BaseRepresentation
bin100111010000111100…
…000010011111001100
311000211012200021001221
4213100330002133030
51142320441333140
631211301213124
73021523661146
oct472074023714
9130735607057
1042160105420
111697530a234
1282074011a4
133c8b756354
14207d421c96
15116b47314a
hex9d0f027cc

42160105420 has 48 divisors (see below), whose sum is σ = 88958959488. Its totient is φ = 16783718400.

The previous prime is 42160105397. The next prime is 42160105469. The reversal of 42160105420 is 2450106124.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3659389 + ... + 3670891.

It is an arithmetic number, because the mean of its divisors is an integer number (1853311656).

Almost surely, 242160105420 is an apocalyptic number.

It is an amenable number.

42160105420 is an abundant number, since it is smaller than the sum of its proper divisors (46798854068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42160105420 is a wasteful number, since it uses less digits than its factorization.

42160105420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12370 (or 12368 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The spelling of 42160105420 in words is "forty-two billion, one hundred sixty million, one hundred five thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 401 457 802 914 1604 1828 2005 2285 4010 4570 8020 9140 11503 23006 46012 57515 115030 183257 230060 366514 733028 916285 1832570 3665140 4612703 5256871 9225406 10513742 18450812 21027484 23063515 26284355 46127030 52568710 92254060 105137420 2108005271 4216010542 8432021084 10540026355 21080052710 42160105420