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42305856680 = 2351057646417
BaseRepresentation
bin100111011001101000…
…000010010010101000
311001012100221012012202
4213121220002102220
51143120244403210
631233545155332
73025243564013
oct473150022250
9131170835182
1042305856680
1116a3a60a31a
12824818bb48
133cb29c83b9
14209492237a
1511791639a5
hex9d9a024a8

42305856680 has 16 divisors (see below), whose sum is σ = 95188177620. Its totient is φ = 16922342656.

The previous prime is 42305856611. The next prime is 42305856737. The reversal of 42305856680 is 8665850324.

It can be written as a sum of positive squares in 2 ways, for example, as 38211648484 + 4094208196 = 195478^2 + 63986^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 528823169 + ... + 528823248.

Almost surely, 242305856680 is an apocalyptic number.

42305856680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42305856680 is an abundant number, since it is smaller than the sum of its proper divisors (52882320940).

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

42305856680 is a wasteful number, since it uses less digits than its factorization.

42305856680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057646428 (or 1057646424 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 47.

The spelling of 42305856680 in words is "forty-two billion, three hundred five million, eight hundred fifty-six thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 1057646417 2115292834 4230585668 5288232085 8461171336 10576464170 21152928340 42305856680