Base | Representation |
---|---|
bin | 11101000100100001… |
… | …100100110010101010 |
3 | 2222120101102222211112 |
4 | 131010201210302222 |
5 | 1002411343020320 |
6 | 22201213230322 |
7 | 2153344135205 |
oct | 350441446252 |
9 | 88511388745 |
10 | 31214423210 |
11 | 12268801183 |
12 | 60717923a2 |
13 | 2c35b69509 |
14 | 172185093c |
15 | c2a562ec5 |
hex | 744864caa |
31214423210 has 16 divisors (see below), whose sum is σ = 56187979776. Its totient is φ = 12485320848.
The previous prime is 31214423189. The next prime is 31214423213. The reversal of 31214423210 is 1232441213.
It is not an unprimeable number, because it can be changed into a prime (31214423213) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 484727 + ... + 545333.
It is an arithmetic number, because the mean of its divisors is an integer number (3511748736).
Almost surely, 231214423210 is an apocalyptic number.
31214423210 is a deficient number, since it is larger than the sum of its proper divisors (24973556566).
31214423210 is a wasteful number, since it uses less digits than its factorization.
31214423210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 112117.
The product of its (nonzero) digits is 1152, while the sum is 23.
Adding to 31214423210 its reverse (1232441213), we get a palindrome (32446864423).
The spelling of 31214423210 in words is "thirty-one billion, two hundred fourteen million, four hundred twenty-three thousand, two hundred ten".
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