Base | Representation |
---|---|
bin | 1101000001010001… |
… | …01111001100000100 |
3 | 200001010220211121020 |
4 | 12200220233030010 |
5 | 103303420012100 |
6 | 3113335551140 |
7 | 335135012241 |
oct | 64050571404 |
9 | 20033824536 |
10 | 6990000900 |
11 | 2a67745153 |
12 | 1430b2b4b0 |
13 | 87521490c |
14 | 4a44b65c8 |
15 | 2ad9e15a0 |
hex | 1a0a2f304 |
6990000900 has 72 divisors (see below), whose sum is σ = 20876830464. Its totient is φ = 1803868800.
The previous prime is 6990000893. The next prime is 6990000929. The reversal of 6990000900 is 90000996.
It is a super-2 number, since 2×69900009002 = 97720225164001620000, which contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 366507 + ... + 385106.
Almost surely, 26990000900 is an apocalyptic number.
6990000900 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
6990000900 is an abundant number, since it is smaller than the sum of its proper divisors (13886829564).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6990000900 is a wasteful number, since it uses less digits than its factorization.
6990000900 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 751661 (or 751654 counting only the distinct ones).
The product of its (nonzero) digits is 4374, while the sum is 33.
The square root of 6990000900 is about 83606.2252466884. The cubic root of 6990000900 is about 1912.0199111066.
The spelling of 6990000900 in words is "six billion, nine hundred ninety million, nine hundred", and thus it is an aban number.
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