Base | Representation |
---|---|
bin | 10101101011111000101111… |
… | …00010000010110011010110 |
3 | 20020211212120001122220012210 |
4 | 22311330113202002303112 |
5 | 22222302312133002310 |
6 | 245231144035054250 |
7 | 13021205432540163 |
oct | 1265742742026326 |
9 | 206755501586183 |
10 | 47687416687830 |
11 | 1421613556a367 |
12 | 5422183441386 |
13 | 207bb9a3c357a |
14 | bac12475706a |
15 | 57a6d492e820 |
hex | 2b5f17882cd6 |
47687416687830 has 128 divisors (see below), whose sum is σ = 116399233681920. Its totient is φ = 12501611366400.
The previous prime is 47687416687829. The next prime is 47687416687843. The reversal of 47687416687830 is 3878661478674.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1067981005 + ... + 1068025655.
It is an arithmetic number, because the mean of its divisors is an integer number (909369013140).
Almost surely, 247687416687830 is an apocalyptic number.
47687416687830 is an abundant number, since it is smaller than the sum of its proper divisors (68711816994090).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47687416687830 is a wasteful number, since it uses less digits than its factorization.
47687416687830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46846.
The product of its (nonzero) digits is 1820786688, while the sum is 75.
The spelling of 47687416687830 in words is "forty-seven trillion, six hundred eighty-seven billion, four hundred sixteen million, six hundred eighty-seven thousand, eight hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •