Base | Representation |
---|---|
bin | 11101000011101010… |
… | …101110010100100011 |
3 | 2222112101101110201011 |
4 | 131003222232110203 |
5 | 1002344202404243 |
6 | 22155541121351 |
7 | 2153111000230 |
oct | 350352562443 |
9 | 88471343634 |
10 | 31200044323 |
11 | 122606800a8 |
12 | 60689b9257 |
13 | 2c32ba37b6 |
14 | 171d98a787 |
15 | c2917289d |
hex | 743aae523 |
31200044323 has 8 divisors (see below), whose sum is σ = 35662995200. Its totient is φ = 26738543880.
The previous prime is 31200044311. The next prime is 31200044327. The reversal of 31200044323 is 32344000213.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 31200044323 - 225 = 31166489891 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 31200044294 and 31200044303.
It is not an unprimeable number, because it can be changed into a prime (31200044327) 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, 316113 + ... + 402898.
It is an arithmetic number, because the mean of its divisors is an integer number (4457874400).
Almost surely, 231200044323 is an apocalyptic number.
31200044323 is a deficient number, since it is larger than the sum of its proper divisors (4462950877).
31200044323 is an equidigital number, since it uses as much as digits as its factorization.
31200044323 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 725217.
The product of its (nonzero) digits is 1728, while the sum is 22.
Adding to 31200044323 its reverse (32344000213), we get a palindrome (63544044536).
The spelling of 31200044323 in words is "thirty-one billion, two hundred million, forty-four thousand, three hundred twenty-three".
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