Base | Representation |
---|---|
bin | 111000111000010101… |
… | …111001111111111111 |
3 | 12211122102000202021201 |
4 | 320320111321333333 |
5 | 2000040122340311 |
6 | 44020221040331 |
7 | 4261330211101 |
oct | 707025717777 |
9 | 184572022251 |
10 | 61074808831 |
11 | 239a1156923 |
12 | ba059b60a7 |
13 | 59b432a94a |
14 | 2d55515571 |
15 | 18c6cae9c1 |
hex | e38579fff |
61074808831 has 8 divisors (see below), whose sum is σ = 61371989280. Its totient is φ = 60778148448.
The previous prime is 61074808801. The next prime is 61074808853. The reversal of 61074808831 is 13880847016.
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 61074808831 - 229 = 60537937919 is a prime.
It is a super-2 number, since 2×610748088312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61074808801) 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, 106470 + ... + 365356.
It is an arithmetic number, because the mean of its divisors is an integer number (7671498660).
Almost surely, 261074808831 is an apocalyptic number.
61074808831 is a deficient number, since it is larger than the sum of its proper divisors (297180449).
61074808831 is a wasteful number, since it uses less digits than its factorization.
61074808831 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 260033.
The product of its (nonzero) digits is 258048, while the sum is 46.
The spelling of 61074808831 in words is "sixty-one billion, seventy-four million, eight hundred eight thousand, eight hundred thirty-one".
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