Base | Representation |
---|---|
bin | 11101000011101010… |
… | …100110110000010101 |
3 | 2222112101022220012101 |
4 | 131003222212300111 |
5 | 1002344200411313 |
6 | 22155540322101 |
7 | 2153110510666 |
oct | 350352466025 |
9 | 88471286171 |
10 | 31200013333 |
11 | 12260659895 |
12 | 60689a3331 |
13 | 2c32b92668 |
14 | 171d97d36d |
15 | c291685dd |
hex | 743aa6c15 |
31200013333 has 8 divisors (see below), whose sum is σ = 32211841536. Its totient is φ = 30188521200.
The previous prime is 31200013321. The next prime is 31200013349. The reversal of 31200013333 is 33331000213.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-31200013333 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 31200013333.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31200013303) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111960 + ... + 273742.
It is an arithmetic number, because the mean of its divisors is an integer number (4026480192).
Almost surely, 231200013333 is an apocalyptic number.
It is an amenable number.
31200013333 is a deficient number, since it is larger than the sum of its proper divisors (1011828203).
31200013333 is a wasteful number, since it uses less digits than its factorization.
31200013333 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 168035.
The product of its (nonzero) digits is 486, while the sum is 19.
Adding to 31200013333 its reverse (33331000213), we get a palindrome (64531013546).
The spelling of 31200013333 in words is "thirty-one billion, two hundred million, thirteen thousand, three hundred thirty-three".
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