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42890375050 = 2522929579569
BaseRepresentation
bin100111111100011101…
…110010111110001010
311002201002210210200021
4213330131302332022
51200314414000200
631411545331054
73045602113135
oct477435627612
9132632723607
1042890375050
111720a553656
12838ba96a8a
134076b33363
14210c3d921c
1511b062441a
hex9fc772f8a

42890375050 has 24 divisors (see below), whose sum is σ = 82527000300. Its totient is φ = 16564558080.

The previous prime is 42890374997. The next prime is 42890375051. The reversal of 42890375050 is 5057309824.

It can be written as a sum of positive squares in 6 ways, for example, as 3678058609 + 39212316441 = 60647^2 + 198021^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42890374988 and 42890375006.

It is not an unprimeable number, because it can be changed into a prime (42890375051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14788335 + ... + 14791234.

Almost surely, 242890375050 is an apocalyptic number.

42890375050 is a deficient number, since it is larger than the sum of its proper divisors (39636625250).

42890375050 is a wasteful number, since it uses less digits than its factorization.

42890375050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29579610 (or 29579605 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 42890375050 in words is "forty-two billion, eight hundred ninety million, three hundred seventy-five thousand, fifty".

Divisors: 1 2 5 10 25 29 50 58 145 290 725 1450 29579569 59159138 147897845 295795690 739489225 857807501 1478978450 1715615002 4289037505 8578075010 21445187525 42890375050