Base | Representation |
---|---|
bin | 10010110010110001… |
… | …110101010000110100 |
3 | 1221002022212110212011 |
4 | 102302301311100310 |
5 | 312311343324402 |
6 | 13134211534004 |
7 | 1313030010640 |
oct | 226261652064 |
9 | 57068773764 |
10 | 20179276852 |
11 | 8615748409 |
12 | 3ab1bba304 |
13 | 1b97887607 |
14 | d96031c20 |
15 | 7d187eed7 |
hex | 4b2c75434 |
20179276852 has 36 divisors (see below), whose sum is σ = 41235642784. Its totient is φ = 8464230000.
The previous prime is 20179276753. The next prime is 20179276853. The reversal of 20179276852 is 25867297102.
It is a junction number, because it is equal to n+sod(n) for n = 20179276796 and 20179276805.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20179276853) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101274 + ... + 224977.
Almost surely, 220179276852 is an apocalyptic number.
It is an amenable number.
20179276852 is an abundant number, since it is smaller than the sum of its proper divisors (21056365932).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20179276852 is a wasteful number, since it uses less digits than its factorization.
20179276852 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 326356 (or 326307 counting only the distinct ones).
The product of its (nonzero) digits is 846720, while the sum is 49.
The spelling of 20179276852 in words is "twenty billion, one hundred seventy-nine million, two hundred seventy-six thousand, eight hundred fifty-two".
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