Base | Representation |
---|---|
bin | 10101100101101100… |
… | …011101100110110110 |
3 | 2012211112010100102121 |
4 | 111211230131212312 |
5 | 334433313202102 |
6 | 14352121030154 |
7 | 1450306112566 |
oct | 254554354666 |
9 | 65745110377 |
10 | 23180990902 |
11 | 9916079623 |
12 | 45ab32535a |
13 | 225571c084 |
14 | 119c962da6 |
15 | 90a161b37 |
hex | 565b1d9b6 |
23180990902 has 8 divisors (see below), whose sum is σ = 35619571512. Its totient is φ = 11307800400.
The previous prime is 23180990893. The next prime is 23180990923. The reversal of 23180990902 is 20909908132.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141347424 + ... + 141347587.
It is an arithmetic number, because the mean of its divisors is an integer number (4452446439).
Almost surely, 223180990902 is an apocalyptic number.
23180990902 is a deficient number, since it is larger than the sum of its proper divisors (12438580610).
23180990902 is a wasteful number, since it uses less digits than its factorization.
23180990902 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 282695054.
The product of its (nonzero) digits is 69984, while the sum is 43.
The spelling of 23180990902 in words is "twenty-three billion, one hundred eighty million, nine hundred ninety thousand, nine hundred two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •