Base | Representation |
---|---|
bin | 1110101101111… |
… | …01101001000001 |
3 | 22121022102111120 |
4 | 13112331221001 |
5 | 223101211121 |
6 | 20130102453 |
7 | 3026252106 |
oct | 726755101 |
9 | 277272446 |
10 | 123460161 |
11 | 637654a0 |
12 | 3541aa29 |
13 | 1c768b66 |
14 | 1257aaad |
15 | ac8abc6 |
hex | 75bda41 |
123460161 has 16 divisors (see below), whose sum is σ = 182969280. Its totient is φ = 73411520.
The previous prime is 123460151. The next prime is 123460187. The reversal of 123460161 is 161064321.
It is a cyclic number.
It is not a de Polignac number, because 123460161 - 214 = 123443777 is a prime.
It is a super-2 number, since 2×1234601612 = 30484822708291842, which contains 22 as substring.
It is a plaindrome in base 14.
It is not an unprimeable number, because it can be changed into a prime (123460111) 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, 33546 + ... + 37043.
It is an arithmetic number, because the mean of its divisors is an integer number (11435580).
Almost surely, 2123460161 is an apocalyptic number.
123460161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
123460161 is a deficient number, since it is larger than the sum of its proper divisors (59509119).
123460161 is a wasteful number, since it uses less digits than its factorization.
123460161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 70656.
The product of its (nonzero) digits is 864, while the sum is 24.
The square root of 123460161 is about 11111.2627995201. The cubic root of 123460161 is about 497.9383925660.
The spelling of 123460161 in words is "one hundred twenty-three million, four hundred sixty thousand, one hundred sixty-one".
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