Base | Representation |
---|---|
bin | 100001001000101010… |
… | …0100101010110111011 |
3 | 20210200002112000221212 |
4 | 1002101110211112323 |
5 | 2131212314201310 |
6 | 52404521353335 |
7 | 5066231233154 |
oct | 1022124452673 |
9 | 223602460855 |
10 | 71157568955 |
11 | 281a5657830 |
12 | 1195a63884b |
13 | 69302038b5 |
14 | 363065c92b |
15 | 1cb7069205 |
hex | 10915255bb |
71157568955 has 16 divisors (see below), whose sum is σ = 95318049024. Its totient is φ = 50547446880.
The previous prime is 71157568927. The next prime is 71157569011. The reversal of 71157568955 is 55986575117.
It is not a de Polignac number, because 71157568955 - 26 = 71157568891 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 71157568894 and 71157568903.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15041519 + ... + 15046248.
It is an arithmetic number, because the mean of its divisors is an integer number (5957378064).
Almost surely, 271157568955 is an apocalyptic number.
71157568955 is a deficient number, since it is larger than the sum of its proper divisors (24160480069).
71157568955 is a wasteful number, since it uses less digits than its factorization.
71157568955 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30087826.
The product of its digits is 13230000, while the sum is 59.
The spelling of 71157568955 in words is "seventy-one billion, one hundred fifty-seven million, five hundred sixty-eight thousand, nine hundred fifty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •