Base | Representation |
---|---|
bin | 11100111111000101… |
… | …111110101010110101 |
3 | 2222100000222121112101 |
4 | 130333011332222311 |
5 | 1002220031144333 |
6 | 22144200222101 |
7 | 2151156465661 |
oct | 347705765265 |
9 | 88300877471 |
10 | 31123303093 |
11 | 122213252a3 |
12 | 604716a931 |
13 | 2c2001479c |
14 | 17136d18a1 |
15 | c2256467d |
hex | 73f17eab5 |
31123303093 has 8 divisors (see below), whose sum is σ = 32763895488. Its totient is φ = 29506661184.
The previous prime is 31123303069. The next prime is 31123303103. The reversal of 31123303093 is 39030332113.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-31123303093 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31123300093) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 5984955 + ... + 5990152.
It is an arithmetic number, because the mean of its divisors is an integer number (4095486936).
Almost surely, 231123303093 is an apocalyptic number.
It is an amenable number.
31123303093 is a deficient number, since it is larger than the sum of its proper divisors (1640592395).
31123303093 is a wasteful number, since it uses less digits than its factorization.
31123303093 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11975243.
The product of its (nonzero) digits is 4374, while the sum is 28.
The spelling of 31123303093 in words is "thirty-one billion, one hundred twenty-three million, three hundred three thousand, ninety-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •