Base | Representation |
---|---|
bin | 111001000110011001… |
… | …110101000010011111 |
3 | 12212020211221011222110 |
4 | 321012121311002133 |
5 | 2001031020434421 |
6 | 44055445245103 |
7 | 4300223335206 |
oct | 710631650237 |
9 | 185224834873 |
10 | 61310718111 |
11 | 24002335a75 |
12 | ba70a03793 |
13 | 5a21178836 |
14 | 2d789a423d |
15 | 18dc85da76 |
hex | e4667509f |
61310718111 has 16 divisors (see below), whose sum is σ = 82908983808. Its totient is φ = 40293271200.
The previous prime is 61310718031. The next prime is 61310718121. The reversal of 61310718111 is 11181701316.
It is not a de Polignac number, because 61310718111 - 29 = 61310717599 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61310718121) 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 15 ways as a sum of consecutive naturals, for example, 2924910 + ... + 2945796.
It is an arithmetic number, because the mean of its divisors is an integer number (5181811488).
Almost surely, 261310718111 is an apocalyptic number.
61310718111 is a deficient number, since it is larger than the sum of its proper divisors (21598265697).
61310718111 is a wasteful number, since it uses less digits than its factorization.
61310718111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34742.
The product of its (nonzero) digits is 1008, while the sum is 30.
The spelling of 61310718111 in words is "sixty-one billion, three hundred ten million, seven hundred eighteen thousand, one hundred eleven".
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