Base | Representation |
---|---|
bin | 1110000110110011010010… |
… | …11010010000100101110101 |
3 | 11001211111002200121120022101 |
4 | 13003121221122100211311 |
5 | 13031213001202144333 |
6 | 145550222421102101 |
7 | 6351060033042565 |
oct | 703315132204565 |
9 | 131744080546271 |
10 | 31020022303093 |
11 | 997a57699967a |
12 | 358ba7a857931 |
13 | 14402388c11c5 |
14 | 79353ca42da5 |
15 | 38bd7e21467d |
hex | 1c3669690975 |
31020022303093 has 12 divisors (see below), whose sum is σ = 31990680728460. Its totient is φ = 30068054908736.
The previous prime is 31020022303037. The next prime is 31020022303177. The reversal of 31020022303093 is 39030322002013.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 21335465855089 + 9684556448004 = 4619033^2 + 3112002^2 .
It is a de Polignac number, because none of the positive numbers 2k-31020022303093 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 (31020062303093) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42114448 + ... + 42844681.
It is an arithmetic number, because the mean of its divisors is an integer number (2665890060705).
Almost surely, 231020022303093 is an apocalyptic number.
It is an amenable number.
31020022303093 is a deficient number, since it is larger than the sum of its proper divisors (970658425367).
31020022303093 is an frugal number, since it uses more digits than its factorization.
31020022303093 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84959348 (or 84959265 counting only the distinct ones).
The product of its (nonzero) digits is 5832, while the sum is 28.
The spelling of 31020022303093 in words is "thirty-one trillion, twenty billion, twenty-two million, three hundred three thousand, ninety-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.063 sec. • engine limits •