Base | Representation |
---|---|
bin | 10101110001011100… |
… | …111100000111011011 |
3 | 2020100021022001111210 |
4 | 111301130330013123 |
5 | 340334312420110 |
6 | 14423444554203 |
7 | 1455222554613 |
oct | 256134740733 |
9 | 66307261453 |
10 | 23378248155 |
11 | 9a07458949 |
12 | 46453b2963 |
13 | 2287555b42 |
14 | 11bac2da43 |
15 | 91c628520 |
hex | 57173c1db |
23378248155 has 16 divisors (see below), whose sum is σ = 37601040384. Its totient is φ = 12403117920.
The previous prime is 23378248151. The next prime is 23378248163. The reversal of 23378248155 is 55184287332.
It is not a de Polignac number, because 23378248155 - 22 = 23378248151 is a prime.
It is not an unprimeable number, because it can be changed into a prime (23378248151) 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, 4077109 + ... + 4082838.
It is an arithmetic number, because the mean of its divisors is an integer number (2350065024).
Almost surely, 223378248155 is an apocalyptic number.
23378248155 is a deficient number, since it is larger than the sum of its proper divisors (14222792229).
23378248155 is a wasteful number, since it uses less digits than its factorization.
23378248155 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8160146.
The product of its digits is 1612800, while the sum is 48.
The spelling of 23378248155 in words is "twenty-three billion, three hundred seventy-eight million, two hundred forty-eight thousand, one hundred fifty-five".
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