Base | Representation |
---|---|
bin | 100001000100110111… |
… | …0101111001111100001 |
3 | 20210100012212101211100 |
4 | 1002021232233033201 |
5 | 2130432213114312 |
6 | 52344131505013 |
7 | 5063123541636 |
oct | 1021156571741 |
9 | 223305771740 |
10 | 71030207457 |
11 | 2813a7781a0 |
12 | 11923a58169 |
13 | 690ca00071 |
14 | 361b78818d |
15 | 1caacac5dc |
hex | 1089baf3e1 |
71030207457 has 24 divisors (see below), whose sum is σ = 111935023200. Its totient is φ = 43045289280.
The previous prime is 71030207419. The next prime is 71030207467. The reversal of 71030207457 is 75470203017.
It is not a de Polignac number, because 71030207457 - 214 = 71030191073 is a prime.
It is not an unprimeable number, because it can be changed into a prime (71030207467) by changing a digit.
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 23 ways as a sum of consecutive naturals, for example, 2032669 + ... + 2067317.
It is an arithmetic number, because the mean of its divisors is an integer number (4663959300).
Almost surely, 271030207457 is an apocalyptic number.
It is an amenable number.
71030207457 is a deficient number, since it is larger than the sum of its proper divisors (40904815743).
71030207457 is a wasteful number, since it uses less digits than its factorization.
71030207457 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55373 (or 55370 counting only the distinct ones).
The product of its (nonzero) digits is 41160, while the sum is 36.
The spelling of 71030207457 in words is "seventy-one billion, thirty million, two hundred seven thousand, four hundred fifty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.026 sec. • engine limits •