Base | Representation |
---|---|
bin | 100001100001010110… |
… | …1111010100111111001 |
3 | 20212210211220120221221 |
4 | 1003002231322213321 |
5 | 2134411442340431 |
6 | 53023044032041 |
7 | 5125613253022 |
oct | 1030255724771 |
9 | 225724816857 |
10 | 71986293241 |
11 | 28590427635 |
12 | 11b50092621 |
13 | 6a32b02bb5 |
14 | 36ac743c49 |
15 | 1d14bb7111 |
hex | 10c2b7a9f9 |
71986293241 has 8 divisors (see below), whose sum is σ = 73941401984. Its totient is φ = 70031686320.
The previous prime is 71986293157. The next prime is 71986293257. The reversal of 71986293241 is 14239268917.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 71986293241 - 227 = 71852075513 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (71986293541) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174976 + ... + 417838.
It is an arithmetic number, because the mean of its divisors is an integer number (9242675248).
Almost surely, 271986293241 is an apocalyptic number.
It is an amenable number.
71986293241 is a deficient number, since it is larger than the sum of its proper divisors (1955108743).
71986293241 is a wasteful number, since it uses less digits than its factorization.
71986293241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 250911.
The product of its digits is 1306368, while the sum is 52.
The spelling of 71986293241 in words is "seventy-one billion, nine hundred eighty-six million, two hundred ninety-three thousand, two hundred forty-one".
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