Base | Representation |
---|---|
bin | 10010101011111100… |
… | …100110101001001001 |
3 | 1220210100012100011002 |
4 | 102223330212221021 |
5 | 312043023110131 |
6 | 13114555144345 |
7 | 1310135540066 |
oct | 225374465111 |
9 | 56710170132 |
10 | 20064660041 |
11 | 8566a83078 |
12 | 3a7b7450b5 |
13 | 1b79bc6a0a |
14 | d84b17c6d |
15 | 7c678e6cb |
hex | 4abf26a49 |
20064660041 has 16 divisors (see below), whose sum is σ = 21872635200. Its totient is φ = 18333298368.
The previous prime is 20064660013. The next prime is 20064660103. The reversal of 20064660041 is 14006646002.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-20064660041 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (29).
It is a junction number, because it is equal to n+sod(n) for n = 20064659986 and 20064660013.
It is not an unprimeable number, because it can be changed into a prime (20064660541) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 502571 + ... + 541023.
It is an arithmetic number, because the mean of its divisors is an integer number (1367039700).
Almost surely, 220064660041 is an apocalyptic number.
It is an amenable number.
20064660041 is a deficient number, since it is larger than the sum of its proper divisors (1807975159).
20064660041 is a wasteful number, since it uses less digits than its factorization.
20064660041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39448.
The product of its (nonzero) digits is 6912, while the sum is 29.
The spelling of 20064660041 in words is "twenty billion, sixty-four million, six hundred sixty thousand, forty-one".
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