Base | Representation |
---|---|
bin | 110101111100111101… |
… | …011010111111000011 |
3 | 12112112022111022012112 |
4 | 311330331122333003 |
5 | 1422120322112242 |
6 | 42340235245535 |
7 | 4120404544160 |
oct | 657475327703 |
9 | 175468438175 |
10 | 57931050947 |
11 | 22628628010 |
12 | b288ba98ab |
13 | 5602c21793 |
14 | 2b37bab067 |
15 | 1790cc0c82 |
hex | d7cf5afc3 |
57931050947 has 16 divisors (see below), whose sum is σ = 72251492352. Its totient is φ = 45124974720.
The previous prime is 57931050929. The next prime is 57931050971. The reversal of 57931050947 is 74905013975.
It is not a de Polignac number, because 57931050947 - 220 = 57930002371 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 57931050895 and 57931050904.
It is not an unprimeable number, because it can be changed into a prime (57931850947) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85358 + ... + 350924.
It is an arithmetic number, because the mean of its divisors is an integer number (4515718272).
Almost surely, 257931050947 is an apocalyptic number.
57931050947 is a deficient number, since it is larger than the sum of its proper divisors (14320441405).
57931050947 is a wasteful number, since it uses less digits than its factorization.
57931050947 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 268418.
The product of its (nonzero) digits is 1190700, while the sum is 50.
The spelling of 57931050947 in words is "fifty-seven billion, nine hundred thirty-one million, fifty thousand, nine hundred forty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •