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42240560025 = 3521733129851
BaseRepresentation
bin100111010101101110…
…111100101110011001
311001000211001210001010
4213111232330232121
51143002040410100
631223253444133
73023521556526
oct472556745631
9131024053033
1042240560025
1116a06770a44
12822a340649
133ca2315621
142089da614d
151173566750
hex9d5bbcb99

42240560025 has 24 divisors (see below), whose sum is σ = 73945829664. Its totient is φ = 21203104000.

The previous prime is 42240559969. The next prime is 42240560029. The reversal of 42240560025 is 52006504224.

It is a happy number.

It is not a de Polignac number, because 42240560025 - 213 = 42240551833 is a prime.

It is a super-2 number, since 2×422405600252 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42240559974 and 42240560001.

It is not an unprimeable number, because it can be changed into a prime (42240560029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16563651 + ... + 16566200.

It is an arithmetic number, because the mean of its divisors is an integer number (3081076236).

Almost surely, 242240560025 is an apocalyptic number.

It is an amenable number.

42240560025 is a deficient number, since it is larger than the sum of its proper divisors (31705269639).

42240560025 is a wasteful number, since it uses less digits than its factorization.

42240560025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33129881 (or 33129876 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The spelling of 42240560025 in words is "forty-two billion, two hundred forty million, five hundred sixty thousand, twenty-five".

Divisors: 1 3 5 15 17 25 51 75 85 255 425 1275 33129851 99389553 165649255 496947765 563207467 828246275 1689622401 2484738825 2816037335 8448112005 14080186675 42240560025