Base | Representation |
---|---|
bin | 101100010110000111… |
… | …101100111010100110 |
3 | 11112220102110010110020 |
4 | 230112013230322212 |
5 | 1240004113223430 |
6 | 33512510540010 |
7 | 3303651156603 |
oct | 542607547246 |
9 | 145812403406 |
10 | 47615757990 |
11 | 19214943809 |
12 | 928a507606 |
13 | 464ab10738 |
14 | 2439c136aa |
15 | 138a3d2b10 |
hex | b161ecea6 |
47615757990 has 32 divisors (see below), whose sum is σ = 115099971840. Its totient is φ = 12606185184.
The previous prime is 47615757977. The next prime is 47615758067. The reversal of 47615757990 is 9975751674.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5705154 + ... + 5713493.
It is an arithmetic number, because the mean of its divisors is an integer number (3596874120).
Almost surely, 247615757990 is an apocalyptic number.
47615757990 is an abundant number, since it is smaller than the sum of its proper divisors (67484213850).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47615757990 is a wasteful number, since it uses less digits than its factorization.
47615757990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11418796.
The product of its (nonzero) digits is 16669800, while the sum is 60.
The spelling of 47615757990 in words is "forty-seven billion, six hundred fifteen million, seven hundred fifty-seven thousand, nine hundred ninety".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •