Base | Representation |
---|---|
bin | 11101001111100101… |
… | …100010010111001010 |
3 | 10000001022122211201011 |
4 | 131033211202113022 |
5 | 1003301400324320 |
6 | 22231443114134 |
7 | 2161056456121 |
oct | 351745422712 |
9 | 100038584634 |
10 | 31400011210 |
11 | 12353540197 |
12 | 610397294a |
13 | 2c654489b9 |
14 | 173c360ab8 |
15 | c3b9c205a |
hex | 74f9625ca |
31400011210 has 8 divisors (see below), whose sum is σ = 56520020196. Its totient is φ = 12560004480.
The previous prime is 31400011207. The next prime is 31400011229. The reversal of 31400011210 is 1211000413.
It can be written as a sum of positive squares in 2 ways, for example, as 30081086721 + 1318924489 = 173439^2 + 36317^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1570000551 + ... + 1570000570.
Almost surely, 231400011210 is an apocalyptic number.
31400011210 is a deficient number, since it is larger than the sum of its proper divisors (25120008986).
31400011210 is a wasteful number, since it uses less digits than its factorization.
31400011210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3140001128.
The product of its (nonzero) digits is 24, while the sum is 13.
Adding to 31400011210 its reverse (1211000413), we get a palindrome (32611011623).
The spelling of 31400011210 in words is "thirty-one billion, four hundred million, eleven thousand, two hundred ten".
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