Base | Representation |
---|---|
bin | 11100111001001011… |
… | …111011100110111010 |
3 | 2222002010111122210222 |
4 | 130321023323212322 |
5 | 1002014143400442 |
6 | 22130300140042 |
7 | 2145544231016 |
oct | 347113734672 |
9 | 88063448728 |
10 | 31024200122 |
11 | 12180396813 |
12 | 6019b37622 |
13 | 2c05626386 |
14 | 1704495546 |
15 | c189da8d2 |
hex | 7392fb9ba |
31024200122 has 16 divisors (see below), whose sum is σ = 48994592640. Its totient is φ = 14692969728.
The previous prime is 31024200113. The next prime is 31024200127. The reversal of 31024200122 is 22100242013.
It is a self number, because there is not a number n which added to its sum of digits gives 31024200122.
It is not an unprimeable number, because it can be changed into a prime (31024200127) 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, 142298 + ... + 286874.
It is an arithmetic number, because the mean of its divisors is an integer number (3062162040).
Almost surely, 231024200122 is an apocalyptic number.
31024200122 is a deficient number, since it is larger than the sum of its proper divisors (17970392518).
31024200122 is a wasteful number, since it uses less digits than its factorization.
31024200122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 150245.
The product of its (nonzero) digits is 192, while the sum is 17.
Adding to 31024200122 its reverse (22100242013), we get a palindrome (53124442135).
The spelling of 31024200122 in words is "thirty-one billion, twenty-four million, two hundred thousand, one hundred twenty-two".
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