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42507626756 = 2272360964303
BaseRepresentation
bin100111100101101001…
…101110100100000100
311001201102121011201112
4213211221232210010
51144023423024011
631305553544152
73033243602660
oct474551564404
9131642534645
1042507626756
11170334a1151
1282a3875058
13401575228a
1420b36458a0
15118bc1c58b
hex9e5a6e904

42507626756 has 24 divisors (see below), whose sum is σ = 85020176640. Its totient is φ = 18216499392.

The previous prime is 42507626753. The next prime is 42507626789. The reversal of 42507626756 is 65762670524.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42507626753) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 628901 + ... + 693203.

It is an arithmetic number, because the mean of its divisors is an integer number (3542507360).

Almost surely, 242507626756 is an apocalyptic number.

It is an amenable number.

42507626756 is an abundant number, since it is smaller than the sum of its proper divisors (42512549884).

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

42507626756 is a wasteful number, since it uses less digits than its factorization.

42507626756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87923 (or 87921 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 50.

The spelling of 42507626756 in words is "forty-two billion, five hundred seven million, six hundred twenty-six thousand, seven hundred fifty-six".

Divisors: 1 2 4 7 14 28 23609 47218 64303 94436 128606 165263 257212 330526 450121 661052 900242 1800484 1518129527 3036259054 6072518108 10626906689 21253813378 42507626756