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42423302120 = 2351762387209
BaseRepresentation
bin100111100000101000…
…000011011111101000
311001111112221001001212
4213200220003133220
51143340331131440
631253342332252
73031201055363
oct474050033750
9131445831055
1042423302120
1116a9a936871
12827b58a088
134001139644
1420a63750da
151184612465
hex9e0a037e8

42423302120 has 32 divisors (see below), whose sum is σ = 101067280200. Its totient is φ = 15971125248.

The previous prime is 42423302107. The next prime is 42423302143. The reversal of 42423302120 is 2120332424.

It can be written as a sum of positive squares in 4 ways, for example, as 28812346564 + 13610955556 = 169742^2 + 116666^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31192925 + ... + 31194284.

Almost surely, 242423302120 is an apocalyptic number.

42423302120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42423302120 is an abundant number, since it is smaller than the sum of its proper divisors (58643978080).

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

42423302120 is a wasteful number, since it uses less digits than its factorization.

42423302120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62387237 (or 62387233 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 42423302120 its reverse (2120332424), we get a palindrome (44543634544).

The spelling of 42423302120 in words is "forty-two billion, four hundred twenty-three million, three hundred two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 62387209 124774418 249548836 311936045 499097672 623872090 1060582553 1247744180 2121165106 2495488360 4242330212 5302912765 8484660424 10605825530 21211651060 42423302120