Base | Representation |
---|---|
bin | 111110001100011… |
… | …0100001001010001 |
3 | 12101102211110221101 |
4 | 1330120310021101 |
5 | 13233220123300 |
6 | 543025024401 |
7 | 102500120512 |
oct | 17430641121 |
9 | 5342743841 |
10 | 2086879825 |
11 | 980a97778 |
12 | 4a2a85101 |
13 | 273476044 |
14 | 15b232a09 |
15 | c3324b6a |
hex | 7c634251 |
2086879825 has 12 divisors (see below), whose sum is σ = 2614411660. Its totient is φ = 1652290560.
The previous prime is 2086879813. The next prime is 2086879831. The reversal of 2086879825 is 5289786802.
It is a happy number.
It can be written as a sum of positive squares in 6 ways, for example, as 99860049 + 1987019776 = 9993^2 + 44576^2 .
It is not a de Polignac number, because 2086879825 - 221 = 2084782673 is a prime.
It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 427860 + ... + 432709.
Almost surely, 22086879825 is an apocalyptic number.
2086879825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2086879825 is a deficient number, since it is larger than the sum of its proper divisors (527531835).
2086879825 is an equidigital number, since it uses as much as digits as its factorization.
2086879825 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 860676 (or 860671 counting only the distinct ones).
The product of its (nonzero) digits is 3870720, while the sum is 55.
The square root of 2086879825 is about 45682.3798088497. The cubic root of 2086879825 is about 1277.9066991464.
The spelling of 2086879825 in words is "two billion, eighty-six million, eight hundred seventy-nine thousand, eight hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •