Base | Representation |
---|---|
bin | 10101011100010010… |
… | …001010100000111101 |
3 | 2012102112000202120222 |
4 | 111130102022200331 |
5 | 334122403231023 |
6 | 14324320551125 |
7 | 1443351065252 |
oct | 253422124075 |
9 | 65375022528 |
10 | 23023102013 |
11 | 9844a3933a |
12 | 45664824a5 |
13 | 222baba4b2 |
14 | 11859c3429 |
15 | 8eb374cc8 |
hex | 55c48a83d |
23023102013 has 4 divisors (see below), whose sum is σ = 23053516380. Its totient is φ = 22992687648.
The previous prime is 23023101977. The next prime is 23023102031. The reversal of 23023102013 is 31020132032.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 15685809049 + 7337292964 = 125243^2 + 85658^2 .
It is a cyclic number.
It is not a de Polignac number, because 23023102013 - 230 = 21949360189 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23023101982 and 23023102000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23023102213) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15206048 + ... + 15207561.
It is an arithmetic number, because the mean of its divisors is an integer number (5763379095).
Almost surely, 223023102013 is an apocalyptic number.
It is an amenable number.
23023102013 is a deficient number, since it is larger than the sum of its proper divisors (30414367).
23023102013 is an equidigital number, since it uses as much as digits as its factorization.
23023102013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30414366.
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 23023102013 its reverse (31020132032), we get a palindrome (54043234045).
The spelling of 23023102013 in words is "twenty-three billion, twenty-three million, one hundred two thousand, thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.167 sec. • engine limits •