Base | Representation |
---|---|
bin | 110010001000101001011… |
… | …1111110111010010000000 |
3 | 220101201122012001112212001 |
4 | 1210101102333313102000 |
5 | 1400343241111003000 |
6 | 22353243341313344 |
7 | 1310552336520325 |
oct | 144212277672200 |
9 | 26351565045761 |
10 | 6890520016000 |
11 | 2217286a05a25 |
12 | 933519265854 |
13 | 3aca08aa12ca |
14 | 19b708138b4c |
15 | be3890c546a |
hex | 64452ff7480 |
6890520016000 has 64 divisors (see below), whose sum is σ = 17131555429560. Its totient is φ = 2756208000000.
The previous prime is 6890520015961. The next prime is 6890520016013. The reversal of 6890520016000 is 6100250986.
It can be written as a sum of positive squares in 4 ways, for example, as 2168173790784 + 4722346225216 = 1472472^2 + 2173096^2 .
It is a tau number, because it is divible by the number of its divisors (64).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215312751 + ... + 215344750.
Almost surely, 26890520016000 is an apocalyptic number.
It is an amenable number.
6890520016000 is an abundant number, since it is smaller than the sum of its proper divisors (10241035413560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6890520016000 is an equidigital number, since it uses as much as digits as its factorization.
6890520016000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 430657530 (or 430657508 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 37.
Adding to 6890520016000 its reverse (6100250986), we get a palindrome (6896620266986).
The spelling of 6890520016000 in words is "six trillion, eight hundred ninety billion, five hundred twenty million, sixteen thousand".
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