Base | Representation |
---|---|
bin | 1000000100101011… |
… | …0010100100001100 |
3 | 12121000202112211010 |
4 | 2001022302210030 |
5 | 13414233330140 |
6 | 555012125220 |
7 | 104462645646 |
oct | 20112624414 |
9 | 5530675733 |
10 | 2167089420 |
11 | a122a13a1 |
12 | 505906810 |
13 | 286c7a942 |
14 | 167b51896 |
15 | ca3ba880 |
hex | 812b290c |
2167089420 has 48 divisors (see below), whose sum is σ = 6070524768. Its totient is φ = 577635840.
The previous prime is 2167089373. The next prime is 2167089437. The reversal of 2167089420 is 249807612.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157872 + ... + 171048.
It is an arithmetic number, because the mean of its divisors is an integer number (126469266).
Almost surely, 22167089420 is an apocalyptic number.
2167089420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2167089420 is an abundant number, since it is smaller than the sum of its proper divisors (3903435348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2167089420 is a wasteful number, since it uses less digits than its factorization.
2167089420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15930 (or 15928 counting only the distinct ones).
The product of its (nonzero) digits is 48384, while the sum is 39.
The square root of 2167089420 is about 46552.0076903242. The cubic root of 2167089420 is about 1294.0735003762.
It can be divided in two parts, 216708 and 9420, that added together give a triangular number (226128 = T672).
The spelling of 2167089420 in words is "two billion, one hundred sixty-seven million, eighty-nine thousand, four hundred twenty".
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