Base | Representation |
---|---|
bin | 10010110111101111… |
… | …00010011000100011 |
3 | 222011001200022010111 |
4 | 21123313202120203 |
5 | 131222043020003 |
6 | 4353151112151 |
7 | 506026643362 |
oct | 113367423043 |
9 | 28131608114 |
10 | 10131220003 |
11 | 432989a5a3 |
12 | 1b68b12657 |
13 | c55c42348 |
14 | 6c175d7d9 |
15 | 3e467ce6d |
hex | 25bde2623 |
10131220003 has 4 divisors (see below), whose sum is σ = 10131639328. Its totient is φ = 10130800680.
The previous prime is 10131219997. The next prime is 10131220097. The reversal of 10131220003 is 30002213101.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 10131220003 - 229 = 9594349091 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10131220103) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171051 + ... + 222532.
It is an arithmetic number, because the mean of its divisors is an integer number (2532909832).
Almost surely, 210131220003 is an apocalyptic number.
10131220003 is a deficient number, since it is larger than the sum of its proper divisors (419325).
10131220003 is an equidigital number, since it uses as much as digits as its factorization.
10131220003 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 419324.
The product of its (nonzero) digits is 36, while the sum is 13.
Adding to 10131220003 its reverse (30002213101), we get a palindrome (40133433104).
The spelling of 10131220003 in words is "ten billion, one hundred thirty-one million, two hundred twenty thousand, three".
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