Base | Representation |
---|---|
bin | 10101100011111100… |
… | …001000101100100011 |
3 | 2012202110201100102012 |
4 | 111203330020230203 |
5 | 334403243420443 |
6 | 14345145543135 |
7 | 1446500613050 |
oct | 254374105443 |
9 | 65673640365 |
10 | 23151545123 |
11 | 9900497573 |
12 | 45a14a4aab |
13 | 224c5ac435 |
14 | 1198a9a027 |
15 | 907797118 |
hex | 563f08b23 |
23151545123 has 8 divisors (see below), whose sum is σ = 26459841792. Its totient is φ = 19843481736.
The previous prime is 23151545113. The next prime is 23151545159. The reversal of 23151545123 is 32154515132.
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 23151545123 - 26 = 23151545059 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 23151545123.
It is not an unprimeable number, because it can be changed into a prime (23151545113) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306536 + ... + 374522.
It is an arithmetic number, because the mean of its divisors is an integer number (3307480224).
Almost surely, 223151545123 is an apocalyptic number.
23151545123 is a deficient number, since it is larger than the sum of its proper divisors (3308296669).
23151545123 is an equidigital number, since it uses as much as digits as its factorization.
23151545123 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 116641.
The product of its digits is 18000, while the sum is 32.
The spelling of 23151545123 in words is "twenty-three billion, one hundred fifty-one million, five hundred forty-five thousand, one hundred twenty-three".
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