Base | Representation |
---|---|
bin | 11000001011001101… |
… | …11111111001000111 |
3 | 1020111112022002011102 |
4 | 30011212333321013 |
5 | 203040111324033 |
6 | 5543521130315 |
7 | 636426526430 |
oct | 140546777107 |
9 | 36445262142 |
10 | 12979011143 |
11 | 556034a19a |
12 | 262278999b |
13 | 12bac33467 |
14 | 8b1a64487 |
15 | 50e6a7de8 |
hex | 3059bfe47 |
12979011143 has 8 divisors (see below), whose sum is σ = 14837982240. Its totient is φ = 11121246720.
The previous prime is 12979011139. The next prime is 12979011181. The reversal of 12979011143 is 34111097921.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12979011143 - 22 = 12979011139 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12979011097 and 12979011106.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12979016143) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278498 + ... + 321743.
It is an arithmetic number, because the mean of its divisors is an integer number (1854747780).
Almost surely, 212979011143 is an apocalyptic number.
12979011143 is a deficient number, since it is larger than the sum of its proper divisors (1858971097).
12979011143 is an equidigital number, since it uses as much as digits as its factorization.
12979011143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 603337.
The product of its (nonzero) digits is 13608, while the sum is 38.
The spelling of 12979011143 in words is "twelve billion, nine hundred seventy-nine million, eleven thousand, one hundred forty-three".
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