Base | Representation |
---|---|
bin | 10010101110101010… |
… | …101111101001110001 |
3 | 1220220112002121010100 |
4 | 102232222233221301 |
5 | 312141214410001 |
6 | 13123305423013 |
7 | 1311231546255 |
oct | 225652575161 |
9 | 56815077110 |
10 | 20110310001 |
11 | 858a822611 |
12 | 3a92a9aa69 |
13 | 1b864bb122 |
14 | d8abdc265 |
15 | 7ca7aa586 |
hex | 4aeaafa71 |
20110310001 has 6 divisors (see below), whose sum is σ = 29048225570. Its totient is φ = 13406873328.
The previous prime is 20110309981. The next prime is 20110310029. The reversal of 20110310001 is 10001301102.
It can be written as a sum of positive squares in only one way, i.e., 19550750976 + 559559025 = 139824^2 + 23655^2 .
It is not a de Polignac number, because 20110310001 - 26 = 20110309937 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 2234478889 = 20110310001 / (2 + 0 + 1 + 1 + 0 + 3 + 1 + 0 + 0 + 0 + 1).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20111310001) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1117239436 + ... + 1117239453.
Almost surely, 220110310001 is an apocalyptic number.
It is an amenable number.
20110310001 is a deficient number, since it is larger than the sum of its proper divisors (8937915569).
20110310001 is a wasteful number, since it uses less digits than its factorization.
20110310001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2234478895 (or 2234478892 counting only the distinct ones).
The product of its (nonzero) digits is 6, while the sum is 9.
Adding to 20110310001 its reverse (10001301102), we get a palindrome (30111611103).
The spelling of 20110310001 in words is "twenty billion, one hundred ten million, three hundred ten thousand, one".
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