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42323204131 = 13171399136889
BaseRepresentation
bin100111011010101010…
…001101100000100011
311001020120120112102221
4213122222031200203
51143134220013011
631235405051511
73025544204455
oct473252154043
9131216515387
1042323204131
1116a4938875a
128251b56b97
133cb6490370
142096d5a2d5
15117a93d971
hex9daa8d823

42323204131 has 16 divisors (see below), whose sum is σ = 48294792000. Its totient is φ = 36742929408.

The previous prime is 42323204129. The next prime is 42323204173. The reversal of 42323204131 is 13140232324.

It is a cyclic number.

It is not a de Polignac number, because 42323204131 - 21 = 42323204129 is a prime.

It is a super-2 number, since 2×423232041312 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42323204096 and 42323204105.

It is not an unprimeable number, because it can be changed into a prime (42323204101) 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 15 ways as a sum of consecutive naturals, for example, 240735 + ... + 377623.

It is an arithmetic number, because the mean of its divisors is an integer number (3018424500).

Almost surely, 242323204131 is an apocalyptic number.

42323204131 is a deficient number, since it is larger than the sum of its proper divisors (5971587869).

42323204131 is a wasteful number, since it uses less digits than its factorization.

42323204131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138318.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 42323204131 its reverse (13140232324), we get a palindrome (55463436455).

The spelling of 42323204131 in words is "forty-two billion, three hundred twenty-three million, two hundred four thousand, one hundred thirty-one".

Divisors: 1 13 17 221 1399 18187 23783 136889 309179 1779557 2327113 30252469 191507711 2489600243 3255631087 42323204131