Base | Representation |
---|---|
bin | 111101000111000011… |
… | …1011000110010100101 |
3 | 110112201212122101202002 |
4 | 1322032013120302211 |
5 | 4122231212220401 |
6 | 140142053255045 |
7 | 12324040546532 |
oct | 1721607306245 |
9 | 415655571662 |
10 | 131233320101 |
11 | 50723873844 |
12 | 21525934485 |
13 | c4b5564240 |
14 | 64cd1cdd89 |
15 | 3631281a6b |
hex | 1e8e1d8ca5 |
131233320101 has 8 divisors (see below), whose sum is σ = 141332156280. Its totient is φ = 121135050432.
The previous prime is 131233320061. The next prime is 131233320109. The reversal of 131233320101 is 101023332131.
It can be written as a sum of positive squares in 4 ways, for example, as 3588609025 + 127644711076 = 59905^2 + 357274^2 .
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 131233320101 - 226 = 131166211237 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131233320109) 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 7 ways as a sum of consecutive naturals, for example, 422855 + ... + 664283.
It is an arithmetic number, because the mean of its divisors is an integer number (17666519535).
Almost surely, 2131233320101 is an apocalyptic number.
It is an amenable number.
131233320101 is a deficient number, since it is larger than the sum of its proper divisors (10098836179).
131233320101 is a wasteful number, since it uses less digits than its factorization.
131233320101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 283255.
The product of its (nonzero) digits is 324, while the sum is 20.
Adding to 131233320101 its reverse (101023332131), we get a palindrome (232256652232).
The spelling of 131233320101 in words is "one hundred thirty-one billion, two hundred thirty-three million, three hundred twenty thousand, one hundred one".
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