Base | Representation |
---|---|
bin | 111001010110101100… |
… | …101001110101000010 |
3 | 12212221220022211111110 |
4 | 321112230221311002 |
5 | 2002111011312021 |
6 | 44142532424150 |
7 | 4310053054122 |
oct | 712654516502 |
9 | 185856284443 |
10 | 61584088386 |
11 | 24132681117 |
12 | bb28478056 |
13 | 5a659b16b2 |
14 | 2da3004c82 |
15 | 190685c476 |
hex | e56b29d42 |
61584088386 has 64 divisors (see below), whose sum is σ = 126743823360. Its totient is φ = 19937830080.
The previous prime is 61584088351. The next prime is 61584088387. The reversal of 61584088386 is 68388048516.
It is a happy number.
61584088386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (61584088387) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63422881 + ... + 63423851.
It is an arithmetic number, because the mean of its divisors is an integer number (1980372240).
Almost surely, 261584088386 is an apocalyptic number.
61584088386 is an abundant number, since it is smaller than the sum of its proper divisors (65159734974).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61584088386 is a wasteful number, since it uses less digits than its factorization.
61584088386 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2151.
The product of its (nonzero) digits is 8847360, while the sum is 57.
The spelling of 61584088386 in words is "sixty-one billion, five hundred eighty-four million, eighty-eight thousand, three hundred eighty-six".
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