Base | Representation |
---|---|
bin | 10111110000101000… |
… | …10110110110001100 |
3 | 1012220222200222200011 |
4 | 23320110112312030 |
5 | 202111020124440 |
6 | 5505433443004 |
7 | 631051246330 |
oct | 137024266614 |
9 | 35828628604 |
10 | 12756020620 |
11 | 5456494102 |
12 | 257bb70464 |
13 | 12839897c5 |
14 | 8901b97c0 |
15 | 4e9d0b9ea |
hex | 2f8516d8c |
12756020620 has 48 divisors (see below), whose sum is σ = 31670130240. Its totient is φ = 4222681344.
The previous prime is 12756020617. The next prime is 12756020653. The reversal of 12756020620 is 2602065721.
12756020620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1566879 + ... + 1574998.
It is an arithmetic number, because the mean of its divisors is an integer number (659794380).
Almost surely, 212756020620 is an apocalyptic number.
12756020620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12756020620 is an abundant number, since it is smaller than the sum of its proper divisors (18914109620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12756020620 is a wasteful number, since it uses less digits than its factorization.
12756020620 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3141922 (or 3141920 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 31.
The spelling of 12756020620 in words is "twelve billion, seven hundred fifty-six million, twenty thousand, six hundred twenty".
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