Base | Representation |
---|---|
bin | 10011000000010011… |
… | …10010001001011111 |
3 | 222100001221210110012 |
4 | 21200021302021133 |
5 | 131343444041111 |
6 | 4404240033435 |
7 | 510562010210 |
oct | 114011621137 |
9 | 28301853405 |
10 | 10203112031 |
11 | 43664330a2 |
12 | 1b8900287b |
13 | c67ac40c8 |
14 | 6cb115407 |
15 | 3eab2e48b |
hex | 26027225f |
10203112031 has 8 divisors (see below), whose sum is σ = 11945107104. Its totient is φ = 8532218880.
The previous prime is 10203111979. The next prime is 10203112039. The reversal of 10203112031 is 13021130201.
10203112031 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
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 10203112031 - 214 = 10203095647 is a prime.
It is a super-2 number, since 2×102031120312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 10203111997 and 10203112015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10203112039) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17775170 + ... + 17775743.
It is an arithmetic number, because the mean of its divisors is an integer number (1493138388).
Almost surely, 210203112031 is an apocalyptic number.
10203112031 is a deficient number, since it is larger than the sum of its proper divisors (1741995073).
10203112031 is an equidigital number, since it uses as much as digits as its factorization.
10203112031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35550961.
The product of its (nonzero) digits is 36, while the sum is 14.
Adding to 10203112031 its reverse (13021130201), we get a palindrome (23224242232).
The spelling of 10203112031 in words is "ten billion, two hundred three million, one hundred twelve thousand, thirty-one".
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