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20014151312 = 244130509377
BaseRepresentation
bin10010101000111011…
…111011011010010000
31220122211011020012102
4102220323323122100
5311442110320222
613105552415532
71305653323241
oct225073733220
956584136172
1020014151312
118540515121
123a668475a8
131b6c5c0bac
14d7c12acc8
157c2113d92
hex4a8efb690

20014151312 has 20 divisors (see below), whose sum is σ = 39723210156. Its totient is φ = 9763000320.

The previous prime is 20014151257. The next prime is 20014151317. The reversal of 20014151312 is 21315141002.

It can be written as a sum of positive squares in 2 ways, for example, as 6531225856 + 13482925456 = 80816^2 + 116116^2 .

It is not an unprimeable number, because it can be changed into a prime (20014151317) 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, 15254033 + ... + 15255344.

Almost surely, 220014151312 is an apocalyptic number.

It is an amenable number.

20014151312 is a deficient number, since it is larger than the sum of its proper divisors (19709058844).

20014151312 is a wasteful number, since it uses less digits than its factorization.

20014151312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30509426 (or 30509420 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 20014151312 its reverse (21315141002), we get a palindrome (41329292314).

The spelling of 20014151312 in words is "twenty billion, fourteen million, one hundred fifty-one thousand, three hundred twelve".

Divisors: 1 2 4 8 16 41 82 164 328 656 30509377 61018754 122037508 244075016 488150032 1250884457 2501768914 5003537828 10007075656 20014151312