Base | Representation |
---|---|
bin | 10010101000111011… |
… | …111011011010010000 |
3 | 1220122211011020012102 |
4 | 102220323323122100 |
5 | 311442110320222 |
6 | 13105552415532 |
7 | 1305653323241 |
oct | 225073733220 |
9 | 56584136172 |
10 | 20014151312 |
11 | 8540515121 |
12 | 3a668475a8 |
13 | 1b6c5c0bac |
14 | d7c12acc8 |
15 | 7c2113d92 |
hex | 4a8efb690 |
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".
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