Base | Representation |
---|---|
bin | 1101001010111000… |
… | …11100111111000010 |
3 | 200020202201002021002 |
4 | 12211130130333002 |
5 | 103440042313230 |
6 | 3125340532002 |
7 | 340134450413 |
oct | 64534347702 |
9 | 20222632232 |
10 | 7070666690 |
11 | 2aa923059a |
12 | 1453b51002 |
13 | 888b49059 |
14 | 4b10b380a |
15 | 2b5b27545 |
hex | 1a571cfc2 |
7070666690 has 32 divisors (see below), whose sum is σ = 13646465280. Its totient is φ = 2628198144.
The previous prime is 7070666689. The next prime is 7070666719. The reversal of 7070666690 is 966660707.
It is a super-2 number, since 2×70706666902 = 99988654882151112200, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249812 + ... + 276671.
It is an arithmetic number, because the mean of its divisors is an integer number (426452040).
Almost surely, 27070666690 is an apocalyptic number.
7070666690 is a deficient number, since it is larger than the sum of its proper divisors (6575798590).
7070666690 is a wasteful number, since it uses less digits than its factorization.
7070666690 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 526586.
The product of its (nonzero) digits is 571536, while the sum is 47.
The square root of 7070666690 is about 84087.2564066637. The cubic root of 7070666690 is about 1919.3468092382.
The spelling of 7070666690 in words is "seven billion, seventy million, six hundred sixty-six thousand, six hundred ninety".
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