Base | Representation |
---|---|
bin | 111001101100011010… |
… | …000001110111110110 |
3 | 12220220021122221121110 |
4 | 321230122001313312 |
5 | 2003332231224021 |
6 | 44243023055450 |
7 | 4322064621606 |
oct | 715432016766 |
9 | 186807587543 |
10 | 61948304886 |
11 | 242aa226396 |
12 | 1000a441586 |
13 | 5ac32a4710 |
14 | 2dd9532c06 |
15 | 1928803476 |
hex | e6c681df6 |
61948304886 has 32 divisors (see below), whose sum is σ = 133436808288. Its totient is φ = 19059632640.
The previous prime is 61948304867. The next prime is 61948304893. The reversal of 61948304886 is 68840384916.
It is a super-3 number, since 3×619483048863 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1754446 + ... + 1789406.
It is an arithmetic number, because the mean of its divisors is an integer number (4169900259).
Almost surely, 261948304886 is an apocalyptic number.
61948304886 is an abundant number, since it is smaller than the sum of its proper divisors (71488503402).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61948304886 is a wasteful number, since it uses less digits than its factorization.
61948304886 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57696.
The product of its (nonzero) digits is 7962624, while the sum is 57.
The spelling of 61948304886 in words is "sixty-one billion, nine hundred forty-eight million, three hundred four thousand, eight hundred eighty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •