Base | Representation |
---|---|
bin | 111101000110000110… |
… | …0100110101010011101 |
3 | 110112122122002010122010 |
4 | 1322030030212222131 |
5 | 4122144442230323 |
6 | 140134543341433 |
7 | 12323200142313 |
oct | 1721414465235 |
9 | 415578063563 |
10 | 131201133213 |
11 | 5070768a307 |
12 | 21516bb1879 |
13 | c4ab9a4a47 |
14 | 64c8c120b3 |
15 | 362d524c93 |
hex | 1e8c326a9d |
131201133213 has 8 divisors (see below), whose sum is σ = 175150550176. Its totient is φ = 87359569200.
The previous prime is 131201133211. The next prime is 131201133263. The reversal of 131201133213 is 312331102131.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 131201133213 - 21 = 131201133211 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 131201133213.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131201133211) 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, 26960398 + ... + 26965263.
It is an arithmetic number, because the mean of its divisors is an integer number (21893818772).
Almost surely, 2131201133213 is an apocalyptic number.
It is an amenable number.
131201133213 is a deficient number, since it is larger than the sum of its proper divisors (43949416963).
131201133213 is an equidigital number, since it uses as much as digits as its factorization.
131201133213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53926475.
The product of its (nonzero) digits is 324, while the sum is 21.
Adding to 131201133213 its reverse (312331102131), we get a palindrome (443532235344).
The spelling of 131201133213 in words is "one hundred thirty-one billion, two hundred one million, one hundred thirty-three thousand, two hundred thirteen".
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