Base | Representation |
---|---|
bin | 10010101001101100… |
… | …00110010000001001 |
3 | 221211211222112101020 |
4 | 21110312012100021 |
5 | 131001412331441 |
6 | 4333341543053 |
7 | 503066341122 |
oct | 112466062011 |
9 | 27754875336 |
10 | 10013402121 |
11 | 4279339248 |
12 | 1b35574a89 |
13 | c37700718 |
14 | 6adc51049 |
15 | 3d9158e66 |
hex | 254d86409 |
10013402121 has 8 divisors (see below), whose sum is σ = 13550474784. Its totient is φ = 6575965440.
The previous prime is 10013402089. The next prime is 10013402129. The reversal of 10013402121 is 12120431001.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 10013402121 - 25 = 10013402089 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 10013402121.
It is not an unprimeable number, because it can be changed into a prime (10013402129) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24908760 + ... + 24909161.
It is an arithmetic number, because the mean of its divisors is an integer number (1693809348).
Almost surely, 210013402121 is an apocalyptic number.
It is an amenable number.
10013402121 is a deficient number, since it is larger than the sum of its proper divisors (3537072663).
10013402121 is an equidigital number, since it uses as much as digits as its factorization.
10013402121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49817991.
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 10013402121 its reverse (12120431001), we get a palindrome (22133833122).
The spelling of 10013402121 in words is "ten billion, thirteen million, four hundred two thousand, one hundred twenty-one".
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