Base | Representation |
---|---|
bin | 111101000110001001… |
… | …1101110011011001100 |
3 | 110112122202120222101211 |
4 | 1322030103232123030 |
5 | 4122200432000022 |
6 | 140135051344204 |
7 | 12323222046010 |
oct | 1721423563314 |
9 | 415582528354 |
10 | 131203000012 |
11 | 50708744917 |
12 | 21517752064 |
13 | c4ac1a9666 |
14 | 64c917a540 |
15 | 362d792e77 |
hex | 1e8c4ee6cc |
131203000012 has 24 divisors (see below), whose sum is σ = 263922807456. Its totient is φ = 55904827008.
The previous prime is 131202999973. The next prime is 131203000057. The reversal of 131203000012 is 210000302131.
It is a junction number, because it is equal to n+sod(n) for n = 131202999956 and 131203000001.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13537993 + ... + 13547680.
It is an arithmetic number, because the mean of its divisors is an integer number (10996783644).
Almost surely, 2131203000012 is an apocalyptic number.
It is an amenable number.
131203000012 is an abundant number, since it is smaller than the sum of its proper divisors (132719807444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131203000012 is a wasteful number, since it uses less digits than its factorization.
131203000012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27085857 (or 27085855 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 13.
Adding to 131203000012 its reverse (210000302131), we get a palindrome (341203302143).
The spelling of 131203000012 in words is "one hundred thirty-one billion, two hundred three million, twelve", and thus it is an aban number.
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