Base | Representation |
---|---|
bin | 10010110111101110… |
… | …11110100000011001 |
3 | 222011001122111100021 |
4 | 21123313132200121 |
5 | 131222042012441 |
6 | 4353150510441 |
7 | 506026546153 |
oct | 113367364031 |
9 | 28131574307 |
10 | 10131204121 |
11 | 4329889675 |
12 | 1b68b05421 |
13 | c55c3804c |
14 | 6c1757ad3 |
15 | 3e46783d1 |
hex | 25bdde819 |
10131204121 has 8 divisors (see below), whose sum is σ = 10170144000. Its totient is φ = 10092337920.
The previous prime is 10131204119. The next prime is 10131204199. The reversal of 10131204121 is 12140213101.
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 10131204121 - 21 = 10131204119 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 10131204095 and 10131204104.
It is not an unprimeable number, because it can be changed into a prime (10131204101) 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, 265440 + ... + 301198.
It is an arithmetic number, because the mean of its divisors is an integer number (1271268000).
Almost surely, 210131204121 is an apocalyptic number.
It is an amenable number.
10131204121 is a deficient number, since it is larger than the sum of its proper divisors (38939879).
10131204121 is an equidigital number, since it uses as much as digits as its factorization.
10131204121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36839.
The product of its (nonzero) digits is 48, while the sum is 16.
Adding to 10131204121 its reverse (12140213101), we get a palindrome (22271417222).
The spelling of 10131204121 in words is "ten billion, one hundred thirty-one million, two hundred four thousand, one hundred twenty-one".
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