Base | Representation |
---|---|
bin | 10011010001111100… |
… | …000111100100111001 |
3 | 1222102202120222010021 |
4 | 103101330013210321 |
5 | 314344212121001 |
6 | 13302125050441 |
7 | 1332005444320 |
oct | 232174074471 |
9 | 58382528107 |
10 | 20702067001 |
11 | 8863860390 |
12 | 40190b6a21 |
13 | 1c4bc8bab5 |
14 | 100563b0b7 |
15 | 8126eaba1 |
hex | 4d1f07939 |
20702067001 has 16 divisors (see below), whose sum is σ = 25894471680. Its totient is φ = 16078916880.
The previous prime is 20702066993. The next prime is 20702067011. The reversal of 20702067001 is 10076020702.
It is a cyclic number.
It is not a de Polignac number, because 20702067001 - 23 = 20702066993 is a prime.
It is a super-2 number, since 2×207020670012 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (20702067011) 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, 414241 + ... + 461518.
It is an arithmetic number, because the mean of its divisors is an integer number (1618404480).
Almost surely, 220702067001 is an apocalyptic number.
It is an amenable number.
20702067001 is a deficient number, since it is larger than the sum of its proper divisors (5192404679).
20702067001 is a wasteful number, since it uses less digits than its factorization.
20702067001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 876084.
The product of its (nonzero) digits is 1176, while the sum is 25.
Adding to 20702067001 its reverse (10076020702), we get a palindrome (30778087703).
The spelling of 20702067001 in words is "twenty billion, seven hundred two million, sixty-seven thousand, one".
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