Base | Representation |
---|---|
bin | 111110000001011… |
… | …1010000010010110 |
3 | 12101001000200222101 |
4 | 1330002322002112 |
5 | 13230232334130 |
6 | 542301552314 |
7 | 102400241125 |
oct | 17402720226 |
9 | 5331020871 |
10 | 2081136790 |
11 | 978824967 |
12 | 4a0b7569a |
13 | 272214cb5 |
14 | 15a579abc |
15 | c2a8d1ca |
hex | 7c0ba096 |
2081136790 has 32 divisors (see below), whose sum is σ = 3840018336. Its totient is φ = 811641600.
The previous prime is 2081136769. The next prime is 2081136791. The reversal of 2081136790 is 976311802.
It is a super-2 number, since 2×20811367902 = 8662260677383008200, which contains 22 as substring.
It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2081136791) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254404 + ... + 262456.
It is an arithmetic number, because the mean of its divisors is an integer number (120000573).
Almost surely, 22081136790 is an apocalyptic number.
2081136790 is a deficient number, since it is larger than the sum of its proper divisors (1758881546).
2081136790 is a wasteful number, since it uses less digits than its factorization.
2081136790 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8704.
The product of its (nonzero) digits is 18144, while the sum is 37.
The square root of 2081136790 is about 45619.4781864063. The cubic root of 2081136790 is about 1276.7333676457.
The spelling of 2081136790 in words is "two billion, eighty-one million, one hundred thirty-six thousand, seven hundred ninety".
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