Base | Representation |
---|---|
bin | 10101100010000100… |
… | …001111011000011001 |
3 | 2012200021120112200220 |
4 | 111202010033120121 |
5 | 334322222141400 |
6 | 14342104150253 |
7 | 1445636510514 |
oct | 254204173031 |
9 | 65607515626 |
10 | 23120115225 |
11 | 989477a849 |
12 | 4592a68389 |
13 | 2245c2666c |
14 | 1194837d7b |
15 | 904b397a0 |
hex | 56210f619 |
23120115225 has 12 divisors (see below), whose sum is σ = 38225257296. Its totient is φ = 12330728080.
The previous prime is 23120115203. The next prime is 23120115229. The reversal of 23120115225 is 52251102132.
It is not a de Polignac number, because 23120115225 - 213 = 23120107033 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 23120115195 and 23120115204.
It is not an unprimeable number, because it can be changed into a prime (23120115229) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154134027 + ... + 154134176.
It is an arithmetic number, because the mean of its divisors is an integer number (3185438108).
Almost surely, 223120115225 is an apocalyptic number.
23120115225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
23120115225 is a deficient number, since it is larger than the sum of its proper divisors (15105142071).
23120115225 is a wasteful number, since it uses less digits than its factorization.
23120115225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 308268216 (or 308268211 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 24.
Adding to 23120115225 its reverse (52251102132), we get a palindrome (75371217357).
The spelling of 23120115225 in words is "twenty-three billion, one hundred twenty million, one hundred fifteen thousand, two hundred twenty-five".
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