Base | Representation |
---|---|
bin | 10101100100000010… |
… | …100100000110000111 |
3 | 2012202120212221221000 |
4 | 111210002210012013 |
5 | 334404211331330 |
6 | 14345250024343 |
7 | 1446521131623 |
oct | 254402440607 |
9 | 65676787830 |
10 | 23153230215 |
11 | 9901438605 |
12 | 45a1b780b3 |
13 | 224ca4c42b |
14 | 1198db8183 |
15 | 9079cb560 |
hex | 5640a4187 |
23153230215 has 64 divisors (see below), whose sum is σ = 41664268800. Its totient is φ = 12197993472.
The previous prime is 23153230187. The next prime is 23153230249. The reversal of 23153230215 is 51203235132.
It is a happy number.
23153230215 is a `hidden beast` number, since 2 + 315 + 32 + 302 + 15 = 666.
It is not a de Polignac number, because 23153230215 - 26 = 23153230151 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8628264 + ... + 8630946.
It is an arithmetic number, because the mean of its divisors is an integer number (651004200).
Almost surely, 223153230215 is an apocalyptic number.
23153230215 is a deficient number, since it is larger than the sum of its proper divisors (18511038585).
23153230215 is a wasteful number, since it uses less digits than its factorization.
23153230215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3453 (or 3447 counting only the distinct ones).
The product of its (nonzero) digits is 5400, while the sum is 27.
Adding to 23153230215 its reverse (51203235132), we get a palindrome (74356465347).
The spelling of 23153230215 in words is "twenty-three billion, one hundred fifty-three million, two hundred thirty thousand, two hundred fifteen".
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