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42038038402 = 2101208109101
BaseRepresentation
bin100111001001101010…
…011000111110000010
311000111200222121121021
4213021222120332002
51142043214212102
631151221020054
73015512300503
oct471152307602
9130450877537
1042038038402
11169124164a8
12819255462a
133c6c387649
14206b128baa
1511608b0137
hex9c9a98f82

42038038402 has 8 divisors (see below), whose sum is σ = 63681385212. Its totient is φ = 20810910000.

The previous prime is 42038038391. The next prime is 42038038421. The reversal of 42038038402 is 20483083024.

It can be written as a sum of positive squares in 2 ways, for example, as 40873113241 + 1164925161 = 202171^2 + 34131^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 104054349 + ... + 104054752.

Almost surely, 242038038402 is an apocalyptic number.

42038038402 is a deficient number, since it is larger than the sum of its proper divisors (21643346810).

42038038402 is a wasteful number, since it uses less digits than its factorization.

42038038402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208109204.

The product of its (nonzero) digits is 36864, while the sum is 34.

The spelling of 42038038402 in words is "forty-two billion, thirty-eight million, thirty-eight thousand, four hundred two".

Divisors: 1 2 101 202 208109101 416218202 21019019201 42038038402