Base | Representation |
---|---|
bin | 10101100010011111… |
… | …101011101000100110 |
3 | 2012200210010000111000 |
4 | 111202133223220212 |
5 | 334331042340323 |
6 | 14342522254130 |
7 | 1446054611244 |
oct | 254237535046 |
9 | 65623100430 |
10 | 23127308838 |
11 | 9898843487 |
12 | 4595357346 |
13 | 2247574a3a |
14 | 119578b794 |
15 | 9055aae43 |
hex | 5627eba26 |
23127308838 has 64 divisors (see below), whose sum is σ = 52572856320. Its totient is φ = 7534096416.
The previous prime is 23127308797. The next prime is 23127308843. The reversal of 23127308838 is 83880372132.
It is a junction number, because it is equal to n+sod(n) for n = 23127308793 and 23127308802.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 434320 + ... + 484652.
It is an arithmetic number, because the mean of its divisors is an integer number (821450880).
Almost surely, 223127308838 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23127308838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26286428160).
23127308838 is an abundant number, since it is smaller than the sum of its proper divisors (29445547482).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23127308838 is a wasteful number, since it uses less digits than its factorization.
23127308838 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50538 (or 50532 counting only the distinct ones).
The product of its (nonzero) digits is 387072, while the sum is 45.
The spelling of 23127308838 in words is "twenty-three billion, one hundred twenty-seven million, three hundred eight thousand, eight hundred thirty-eight".
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