Base | Representation |
---|---|
bin | 11111000000110001010… |
… | …111111000100001000000 |
3 | 21112201211021001220122210 |
4 | 133000301113320201000 |
5 | 234404024310420300 |
6 | 4311010101302120 |
7 | 306653304106113 |
oct | 37006127704100 |
9 | 7481737056583 |
10 | 2131132123200 |
11 | 751898585923 |
12 | 2a503ba04940 |
13 | 125c70b56092 |
14 | 7520c45a57a |
15 | 3a680420050 |
hex | 1f0315f8840 |
2131132123200 has 168 divisors, whose sum is σ = 7295884872768. Its totient is φ = 543593093120.
The previous prime is 2131132123171. The next prime is 2131132123201. The reversal of 2131132123200 is 23212311312.
It is not an unprimeable number, because it can be changed into a prime (2131132123201) 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 23 ways as a sum of consecutive naturals, for example, 9541467 + ... + 9762266.
Almost surely, 22131132123200 is an apocalyptic number.
2131132123200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2131132123200 is an abundant number, since it is smaller than the sum of its proper divisors (5164752749568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2131132123200 is a wasteful number, since it uses less digits than its factorization.
2131132123200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19303781 (or 19303766 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 2131132123200 its reverse (23212311312), we get a palindrome (2154344434512).
The spelling of 2131132123200 in words is "two trillion, one hundred thirty-one billion, one hundred thirty-two million, one hundred twenty-three thousand, two hundred".
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