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20313410042 = 2611372574729
BaseRepresentation
bin10010111010110001…
…100000100111111010
31221102200021011000002
4102322301200213322
5313100213110132
613155402513002
71316246064542
oct227261404772
957380234002
1020313410042
118684432692
123b2ab05762
131bb95bc473
14da9b8a322
157dd528262
hex4bac609fa

20313410042 has 32 divisors (see below), whose sum is σ = 31323687120. Its totient is φ = 9876602880.

The previous prime is 20313410027. The next prime is 20313410077. The reversal of 20313410042 is 24001431302.

It can be written as a sum of positive squares in 8 ways, for example, as 5314264201 + 14999145841 = 72899^2 + 122471^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20313409996 and 20313410023.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4293134 + ... + 4297862.

Almost surely, 220313410042 is an apocalyptic number.

20313410042 is a deficient number, since it is larger than the sum of its proper divisors (11010277078).

20313410042 is a wasteful number, since it uses less digits than its factorization.

20313410042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5186.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20313410042 its reverse (24001431302), we get a palindrome (44314841344).

The spelling of 20313410042 in words is "twenty billion, three hundred thirteen million, four hundred ten thousand, forty-two".

Divisors: 1 2 61 122 137 257 274 514 4729 8357 9458 15677 16714 31354 35209 70418 288469 576938 647873 1215353 1295746 2147749 2430706 4295498 39520253 74136533 79040506 148273066 166503361 333006722 10156705021 20313410042