Base | Representation |
---|---|
bin | 1101001101001100… |
… | …01101000010001100 |
3 | 200022010002022121001 |
4 | 12212212031002030 |
5 | 104010020000022 |
6 | 3131311150044 |
7 | 340461001654 |
oct | 64646150214 |
9 | 20263068531 |
10 | 7090000012 |
11 | 3009135a47 |
12 | 145a515324 |
13 | 88cb57ba4 |
14 | 4b38a7364 |
15 | 2b7695b27 |
hex | 1a698d08c |
7090000012 has 24 divisors (see below), whose sum is σ = 12473455680. Its totient is φ = 3526194000.
The previous prime is 7090000009. The next prime is 7090000013. The reversal of 7090000012 is 2100000907.
It is not an unprimeable number, because it can be changed into a prime (7090000013) 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, 826039 + ... + 834577.
It is an arithmetic number, because the mean of its divisors is an integer number (519727320).
Almost surely, 27090000012 is an apocalyptic number.
It is an amenable number.
7090000012 is a deficient number, since it is larger than the sum of its proper divisors (5383455668).
7090000012 is a wasteful number, since it uses less digits than its factorization.
7090000012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9621 (or 9619 counting only the distinct ones).
The product of its (nonzero) digits is 126, while the sum is 19.
The square root of 7090000012 is about 84202.1378113406. The cubic root of 7090000012 is about 1921.0945737197.
Adding to 7090000012 its reverse (2100000907), we get a palindrome (9190000919).
The spelling of 7090000012 in words is "seven billion, ninety million, twelve", and thus it is an aban number and an uban number.
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