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42404112928 = 251777948737
BaseRepresentation
bin100111011111011110…
…110110101000100000
311001110012211010110001
4213133132312220200
51143320423103203
631251415145344
73030546004252
oct473736665040
9131405733401
1042404112928
1116a9001a731
128275075254
133cca17b2a8
1420a39bbcd2
151182ac191d
hex9df7b6a20

42404112928 has 24 divisors (see below), whose sum is σ = 88393868892. Its totient is φ = 19954876416.

The previous prime is 42404112901. The next prime is 42404112929. The reversal of 42404112928 is 82921140424.

It can be written as a sum of positive squares in 2 ways, for example, as 34244242704 + 8159870224 = 185052^2 + 90332^2 .

It is not an unprimeable number, because it can be changed into a prime (42404112929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38973825 + ... + 38974912.

Almost surely, 242404112928 is an apocalyptic number.

It is an amenable number.

42404112928 is an abundant number, since it is smaller than the sum of its proper divisors (45989755964).

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

42404112928 is a wasteful number, since it uses less digits than its factorization.

42404112928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77948764 (or 77948756 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The spelling of 42404112928 in words is "forty-two billion, four hundred four million, one hundred twelve thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 16 17 32 34 68 136 272 544 77948737 155897474 311794948 623589896 1247179792 1325128529 2494359584 2650257058 5300514116 10601028232 21202056464 42404112928