Base | Representation |
---|---|
bin | 10010110110100100… |
… | …00101011000001100 |
3 | 222010101012111011212 |
4 | 21123102011120030 |
5 | 131212034324433 |
6 | 4352200433552 |
7 | 505550332154 |
oct | 113322053014 |
9 | 28111174155 |
10 | 10121401868 |
11 | 43242a4036 |
12 | 1b657788b8 |
13 | c53bb54b6 |
14 | 6c0325764 |
15 | 3e388dd48 |
hex | 25b48560c |
10121401868 has 6 divisors (see below), whose sum is σ = 17712453276. Its totient is φ = 5060700932.
The previous prime is 10121401867. The next prime is 10121401907. The reversal of 10121401868 is 86810412101.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (10121401867) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265175230 + ... + 1265175237.
It is an arithmetic number, because the mean of its divisors is an integer number (2952075546).
Almost surely, 210121401868 is an apocalyptic number.
It is an amenable number.
10121401868 is a deficient number, since it is larger than the sum of its proper divisors (7591051408).
10121401868 is a wasteful number, since it uses less digits than its factorization.
10121401868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2530350471 (or 2530350469 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 32.
Adding to 10121401868 its reverse (86810412101), we get a palindrome (96931813969).
The spelling of 10121401868 in words is "ten billion, one hundred twenty-one million, four hundred one thousand, eight hundred sixty-eight".
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