Base | Representation |
---|---|
bin | 11100111101101101… |
… | …001101100100010100 |
3 | 2222021102012101101012 |
4 | 130331231031210110 |
5 | 1002143102031200 |
6 | 22142005351352 |
7 | 2150454631010 |
oct | 347555154424 |
9 | 88242171335 |
10 | 31100033300 |
11 | 1220a181366 |
12 | 603b408558 |
13 | 2c18257c8b |
14 | 1710595540 |
15 | c204b9a35 |
hex | 73db4d914 |
31100033300 has 72 divisors (see below), whose sum is σ = 77923387584. Its totient is φ = 10552919040.
The previous prime is 31100033299. The next prime is 31100033309. The reversal of 31100033300 is 333000113.
It is a super-2 number, since 2×311000333002 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (14).
31100033300 is a modest number, since divided by 33300 gives 31100 as remainder.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31100033309) by changing a digit.
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 23 ways as a sum of consecutive naturals, for example, 161114 + ... + 296913.
It is an arithmetic number, because the mean of its divisors is an integer number (1082269272).
Almost surely, 231100033300 is an apocalyptic number.
It is an amenable number.
31100033300 is an abundant number, since it is smaller than the sum of its proper divisors (46823354284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31100033300 is a wasteful number, since it uses less digits than its factorization.
31100033300 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 458145 (or 458138 counting only the distinct ones).
The product of its (nonzero) digits is 81, while the sum is 14.
Adding to 31100033300 its reverse (333000113), we get a palindrome (31433033413).
The spelling of 31100033300 in words is "thirty-one billion, one hundred million, thirty-three thousand, three hundred".
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