Base | Representation |
---|---|
bin | 11101001011100111… |
… | …110110101110100111 |
3 | 2222212200112020021102 |
4 | 131023213312232213 |
5 | 1003132334310210 |
6 | 22221105510315 |
7 | 2156321304161 |
oct | 351347665647 |
9 | 88780466242 |
10 | 31333510055 |
11 | 12319a49961 |
12 | 60a564239b |
13 | 2c547338c3 |
14 | 17335ad931 |
15 | c35c37ea5 |
hex | 74b9f6ba7 |
31333510055 has 16 divisors (see below), whose sum is σ = 37988533440. Its totient is φ = 24808453632.
The previous prime is 31333510037. The next prime is 31333510063. The reversal of 31333510055 is 55001533313.
It is a cyclic number.
It is not a de Polignac number, because 31333510055 - 232 = 27038542759 is a prime.
It is a super-2 number, since 2×313335100552 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 451007 + ... + 515823.
It is an arithmetic number, because the mean of its divisors is an integer number (2374283340).
Almost surely, 231333510055 is an apocalyptic number.
31333510055 is a deficient number, since it is larger than the sum of its proper divisors (6655023385).
31333510055 is a wasteful number, since it uses less digits than its factorization.
31333510055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65818.
The product of its (nonzero) digits is 10125, while the sum is 29.
The spelling of 31333510055 in words is "thirty-one billion, three hundred thirty-three million, five hundred ten thousand, fifty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •