Base | Representation |
---|---|
bin | 10011010110001111… |
… | …101110011111101100 |
3 | 1222121210112121010120 |
4 | 103112033232133230 |
5 | 320021211103022 |
6 | 13313225404540 |
7 | 1333543525662 |
oct | 232617563754 |
9 | 58553477116 |
10 | 20774316012 |
11 | 88a061810a |
12 | 4039339750 |
13 | 1c60c371a8 |
14 | 1011086c32 |
15 | 818c1cd5c |
hex | 4d63ee7ec |
20774316012 has 48 divisors (see below), whose sum is σ = 49081818240. Its totient is φ = 6837939328.
The previous prime is 20774316011. The next prime is 20774316019. The reversal of 20774316012 is 21061347702.
It is not an unprimeable number, because it can be changed into a prime (20774316011) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2714263 + ... + 2721905.
It is an arithmetic number, because the mean of its divisors is an integer number (1022537880).
Almost surely, 220774316012 is an apocalyptic number.
It is an amenable number.
20774316012 is an abundant number, since it is smaller than the sum of its proper divisors (28307502228).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20774316012 is a wasteful number, since it uses less digits than its factorization.
20774316012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10462 (or 10460 counting only the distinct ones).
The product of its (nonzero) digits is 14112, while the sum is 33.
The spelling of 20774316012 in words is "twenty billion, seven hundred seventy-four million, three hundred sixteen thousand, twelve".
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