Base | Representation |
---|---|
bin | 10010101010111010… |
… | …00100010110111011 |
3 | 221212120012112220100 |
4 | 21111131010112323 |
5 | 131012021233404 |
6 | 4334344530443 |
7 | 503252230014 |
oct | 112535042673 |
9 | 27776175810 |
10 | 10023617979 |
11 | 4284086601 |
12 | 1b38a80a23 |
13 | c398695cb |
14 | 6b135000b |
15 | 3d9ec5d39 |
hex | 2557445bb |
10023617979 has 24 divisors (see below), whose sum is σ = 16137098640. Its totient is φ = 5958309888.
The previous prime is 10023617977. The next prime is 10023617987. The reversal of 10023617979 is 97971632001.
10023617979 is a `hidden beast` number, since 1 + 0 + 0 + 23 + 617 + 9 + 7 + 9 = 666.
It is not a de Polignac number, because 10023617979 - 21 = 10023617977 is a prime.
It is not an unprimeable number, because it can be changed into a prime (10023617977) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1721142 + ... + 1726955.
It is an arithmetic number, because the mean of its divisors is an integer number (672379110).
Almost surely, 210023617979 is an apocalyptic number.
10023617979 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
10023617979 is a deficient number, since it is larger than the sum of its proper divisors (6113480661).
10023617979 is a wasteful number, since it uses less digits than its factorization.
10023617979 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3448139 (or 3448136 counting only the distinct ones).
The product of its (nonzero) digits is 142884, while the sum is 45.
The spelling of 10023617979 in words is "ten billion, twenty-three million, six hundred seventeen thousand, nine hundred seventy-nine".
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