Base | Representation |
---|---|
bin | 101101100011111110010… |
… | …000110100001000101000 |
3 | 102002022122220200000101220 |
4 | 231203332100310020220 |
5 | 402244243003342300 |
6 | 10354210143142040 |
7 | 442131101662566 |
oct | 55437620641050 |
9 | 12068586600356 |
10 | 3131002012200 |
11 | aa793a013467 |
12 | 4269862a4920 |
13 | 19933819775a |
14 | ab7814b4a36 |
15 | 566a0534da0 |
hex | 2d8fe434228 |
3131002012200 has 48 divisors (see below), whose sum is σ = 9706106239680. Its totient is φ = 834933869760.
The previous prime is 3131002012097. The next prime is 3131002012213. The reversal of 3131002012200 is 22102001313.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 3131002012200.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 2609167744 + ... + 2609168943.
It is an arithmetic number, because the mean of its divisors is an integer number (202210546660).
Almost surely, 23131002012200 is an apocalyptic number.
3131002012200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
3131002012200 is an abundant number, since it is smaller than the sum of its proper divisors (6575104227480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3131002012200 is a wasteful number, since it uses less digits than its factorization.
3131002012200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5218336706 (or 5218336697 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 3131002012200 its reverse (22102001313), we get a palindrome (3153104013513).
The spelling of 3131002012200 in words is "three trillion, one hundred thirty-one billion, two million, twelve thousand, two hundred".
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