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42020001344 = 263717744933
BaseRepresentation
bin100111001000100101…
…100101011001000000
311000110110001020102002
4213020211211121000
51142024110020334
631145334243132
73015203055356
oct471045453100
9130413036362
1042020001344
1116903216a42
1281884b64a8
133c68710829
1420689917d6
15115deeab7e
hex9c8965640

42020001344 has 28 divisors (see below), whose sum is σ = 85637051484. Its totient is φ = 20442161664.

The previous prime is 42020001281. The next prime is 42020001349. The reversal of 42020001344 is 44310002024.

It can be written as a sum of positive squares in 2 ways, for example, as 32865338944 + 9154662400 = 181288^2 + 95680^2 .

It is not an unprimeable number, because it can be changed into a prime (42020001349) 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, 8870099 + ... + 8874834.

Almost surely, 242020001344 is an apocalyptic number.

It is an amenable number.

42020001344 is an abundant number, since it is smaller than the sum of its proper divisors (43617050140).

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

42020001344 is a wasteful number, since it uses less digits than its factorization.

42020001344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17744982 (or 17744972 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 42020001344 its reverse (44310002024), we get a palindrome (86330003368).

The spelling of 42020001344 in words is "forty-two billion, twenty million, one thousand, three hundred forty-four".

Divisors: 1 2 4 8 16 32 37 64 74 148 296 592 1184 2368 17744933 35489866 70979732 141959464 283918928 567837856 656562521 1135675712 1313125042 2626250084 5252500168 10505000336 21010000672 42020001344