Base | Representation |
---|---|
bin | 10101011100100110… |
… | …000101111001100011 |
3 | 2012102212212011112111 |
4 | 111130212011321203 |
5 | 334130222412422 |
6 | 14325024540151 |
7 | 1443443353432 |
oct | 253446057143 |
9 | 65385764474 |
10 | 23028325987 |
11 | 9847987177 |
12 | 4568181657 |
13 | 222cbc91c4 |
14 | 1186583119 |
15 | 8eba57a77 |
hex | 55c985e63 |
23028325987 has 8 divisors (see below), whose sum is σ = 24384960576. Its totient is φ = 21671916672.
The previous prime is 23028325951. The next prime is 23028325997. The reversal of 23028325987 is 78952382032.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 23028325987 - 211 = 23028323939 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 23028325987.
It is not an unprimeable number, because it can be changed into a prime (23028325997) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183318 + ... + 282244.
It is an arithmetic number, because the mean of its divisors is an integer number (3048120072).
Almost surely, 223028325987 is an apocalyptic number.
23028325987 is a deficient number, since it is larger than the sum of its proper divisors (1356634589).
23028325987 is a wasteful number, since it uses less digits than its factorization.
23028325987 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 112637.
The product of its (nonzero) digits is 1451520, while the sum is 49.
The spelling of 23028325987 in words is "twenty-three billion, twenty-eight million, three hundred twenty-five thousand, nine hundred eighty-seven".
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