Base | Representation |
---|---|
bin | 11000000010101110… |
… | …11011010000011111 |
3 | 1020022120100012100202 |
4 | 30001113123100133 |
5 | 202413400220223 |
6 | 5532455214115 |
7 | 634603442315 |
oct | 140127332037 |
9 | 36276305322 |
10 | 12907820063 |
11 | 5524145296 |
12 | 260297733b |
13 | 12a9268768 |
14 | 8a64120b5 |
15 | 5082e4428 |
hex | 3015db41f |
12907820063 has 4 divisors (see below), whose sum is σ = 12979134168. Its totient is φ = 12836505960.
The previous prime is 12907820053. The next prime is 12907820119. The reversal of 12907820063 is 36002870921.
12907820063 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 12907820063 - 210 = 12907819039 is a prime.
It is a super-2 number, since 2×129078200632 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12907819999 and 12907820026.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12907820053) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 35656781 + ... + 35657142.
It is an arithmetic number, because the mean of its divisors is an integer number (3244783542).
Almost surely, 212907820063 is an apocalyptic number.
12907820063 is a deficient number, since it is larger than the sum of its proper divisors (71314105).
12907820063 is an equidigital number, since it uses as much as digits as its factorization.
12907820063 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 71314104.
The product of its (nonzero) digits is 36288, while the sum is 38.
The spelling of 12907820063 in words is "twelve billion, nine hundred seven million, eight hundred twenty thousand, sixty-three".
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