Base | Representation |
---|---|
bin | 10010110110110010… |
… | …00001111100000001 |
3 | 222010111122000000020 |
4 | 21123121001330001 |
5 | 131213021112120 |
6 | 4352303444053 |
7 | 505601655024 |
oct | 113331017401 |
9 | 28114560006 |
10 | 10123222785 |
11 | 4325328125 |
12 | 1b662b6629 |
13 | c543a2270 |
14 | 6c067b1bb |
15 | 3e3aed640 |
hex | 25b641f01 |
10123222785 has 32 divisors (see below), whose sum is σ = 17448106368. Its totient is φ = 4982307840.
The previous prime is 10123222751. The next prime is 10123222843. The reversal of 10123222785 is 58722232101.
It is not a de Polignac number, because 10123222785 - 26 = 10123222721 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1071894 + ... + 1081296.
It is an arithmetic number, because the mean of its divisors is an integer number (545253324).
Almost surely, 210123222785 is an apocalyptic number.
10123222785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
10123222785 is a deficient number, since it is larger than the sum of its proper divisors (7324883583).
10123222785 is a wasteful number, since it uses less digits than its factorization.
10123222785 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14945.
The product of its (nonzero) digits is 13440, while the sum is 33.
Adding to 10123222785 its reverse (58722232101), we get a palindrome (68845454886).
The spelling of 10123222785 in words is "ten billion, one hundred twenty-three million, two hundred twenty-two thousand, seven hundred eighty-five".
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