Base | Representation |
---|---|
bin | 11000100101101011… |
… | …10100011010111001 |
3 | 1021002000000021210102 |
4 | 30102311310122321 |
5 | 204013424000441 |
6 | 10021531125145 |
7 | 645063435551 |
oct | 142265643271 |
9 | 37060007712 |
10 | 13201000121 |
11 | 5664690861 |
12 | 2684ba37b5 |
13 | 1324c1929a |
14 | 8d332c161 |
15 | 523e0769b |
hex | 312d746b9 |
13201000121 has 8 divisors (see below), whose sum is σ = 14068041984. Its totient is φ = 12358382080.
The previous prime is 13201000117. The next prime is 13201000237. The reversal of 13201000121 is 12100010231.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13201000121 - 22 = 13201000117 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13201000321) 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, 6104840 + ... + 6107001.
It is an arithmetic number, because the mean of its divisors is an integer number (1758505248).
Almost surely, 213201000121 is an apocalyptic number.
It is an amenable number.
13201000121 is a deficient number, since it is larger than the sum of its proper divisors (867041863).
13201000121 is a wasteful number, since it uses less digits than its factorization.
13201000121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12211911.
The product of its (nonzero) digits is 12, while the sum is 11.
Adding to 13201000121 its reverse (12100010231), we get a palindrome (25301010352).
The spelling of 13201000121 in words is "thirteen billion, two hundred one million, one hundred twenty-one", and thus it is an aban number.
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