Base | Representation |
---|---|
bin | 11101000101011101… |
… | …000010101011001110 |
3 | 2222121110202222210012 |
4 | 131011131002223032 |
5 | 1002424340341420 |
6 | 22202531313222 |
7 | 2153623502663 |
oct | 350535025316 |
9 | 88543688705 |
10 | 31230012110 |
11 | 12276589370 |
12 | 6076a4b812 |
13 | 2c39166c0b |
14 | 172394ba6a |
15 | c2bae1dc5 |
hex | 745742ace |
31230012110 has 16 divisors (see below), whose sum is σ = 61324387632. Its totient is φ = 11356368000.
The previous prime is 31230012049. The next prime is 31230012113. The reversal of 31230012110 is 1121003213.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31230012113) 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, 141954491 + ... + 141954710.
It is an arithmetic number, because the mean of its divisors is an integer number (3832774227).
Almost surely, 231230012110 is an apocalyptic number.
31230012110 is a deficient number, since it is larger than the sum of its proper divisors (30094375522).
31230012110 is a wasteful number, since it uses less digits than its factorization.
31230012110 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 283909219.
The product of its (nonzero) digits is 36, while the sum is 14.
Adding to 31230012110 its reverse (1121003213), we get a palindrome (32351015323).
The spelling of 31230012110 in words is "thirty-one billion, two hundred thirty million, twelve thousand, one hundred ten".
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