Base | Representation |
---|---|
bin | 111111001011100… |
… | …0101000001001101 |
3 | 12110202010002120220 |
4 | 1332113011001031 |
5 | 13320203312320 |
6 | 550210301553 |
7 | 103351345020 |
oct | 17627050115 |
9 | 5422102526 |
10 | 2119979085 |
11 | 998744734 |
12 | 4b1b878b9 |
13 | 27a2948c3 |
14 | 1617ab1b7 |
15 | c61b1e40 |
hex | 7e5c504d |
2119979085 has 16 divisors (see below), whose sum is σ = 3876533376. Its totient is φ = 969133248.
The previous prime is 2119979053. The next prime is 2119979089. The reversal of 2119979085 is 5809799112.
It is not a de Polignac number, because 2119979085 - 25 = 2119979053 is a prime.
It is a super-2 number, since 2×21199790852 = 8988622641674874450, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2119979089) 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, 10095034 + ... + 10095243.
It is an arithmetic number, because the mean of its divisors is an integer number (242283336).
Almost surely, 22119979085 is an apocalyptic number.
It is an amenable number.
2119979085 is a deficient number, since it is larger than the sum of its proper divisors (1756554291).
2119979085 is a wasteful number, since it uses less digits than its factorization.
2119979085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20190292.
The product of its (nonzero) digits is 408240, while the sum is 51.
The square root of 2119979085 is about 46043.2306099387. The cubic root of 2119979085 is about 1284.6274331591.
The spelling of 2119979085 in words is "two billion, one hundred nineteen million, nine hundred seventy-nine thousand, eighty-five".
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