Base | Representation |
---|---|
bin | 1110000111000110000101… |
… | …01011110110101001000010 |
3 | 11001212110010201102210102221 |
4 | 13003203002223312221002 |
5 | 13031344131131202320 |
6 | 145555011420001254 |
7 | 6351565024200445 |
oct | 703430253665102 |
9 | 131773121383387 |
10 | 31030110022210 |
11 | 9983883177322 |
12 | 3591a1509022a |
13 | 1441185812380 |
14 | 793c186bb65c |
15 | 38c26eb4d3aa |
hex | 1c38c2af6a42 |
31030110022210 has 32 divisors (see below), whose sum is σ = 60171296279472. Its totient is φ = 11453343494400.
The previous prime is 31030110022187. The next prime is 31030110022217. The reversal of 31030110022210 is 1222001103013.
It can be written as a sum of positive squares in 8 ways, for example, as 25197117026929 + 5832992995281 = 5019673^2 + 2415159^2 .
It is not an unprimeable number, because it can be changed into a prime (31030110022217) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40534941 + ... + 41293360.
Almost surely, 231030110022210 is an apocalyptic number.
31030110022210 is a deficient number, since it is larger than the sum of its proper divisors (29141186257262).
31030110022210 is a wasteful number, since it uses less digits than its factorization.
31030110022210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 81831238.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 31030110022210 its reverse (1222001103013), we get a palindrome (32252111125223).
The spelling of 31030110022210 in words is "thirty-one trillion, thirty billion, one hundred ten million, twenty-two thousand, two hundred ten".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •