Base | Representation |
---|---|
bin | 10010101111010111… |
… | …110111110101100001 |
3 | 1220221100100121211111 |
4 | 102233113313311201 |
5 | 312202231440001 |
6 | 13124411143321 |
7 | 1311434240125 |
oct | 225727676541 |
9 | 56840317744 |
10 | 20122140001 |
11 | 8596472677 |
12 | 3a96a44b41 |
13 | 1b88aa0922 |
14 | d8c5db585 |
15 | 7cb845851 |
hex | 4af5f7d61 |
20122140001 has 8 divisors (see below), whose sum is σ = 20339941160. Its totient is φ = 19904942592.
The previous prime is 20122139993. The next prime is 20122140011. The reversal of 20122140001 is 10004122102.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 874739776 + 19247400225 = 29576^2 + 138735^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20122140001 - 23 = 20122139993 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20122140011) 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, 83760 + ... + 217393.
It is an arithmetic number, because the mean of its divisors is an integer number (2542492645).
Almost surely, 220122140001 is an apocalyptic number.
It is an amenable number.
20122140001 is a deficient number, since it is larger than the sum of its proper divisors (217801159).
20122140001 is a wasteful number, since it uses less digits than its factorization.
20122140001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 301875.
The product of its (nonzero) digits is 32, while the sum is 13.
Adding to 20122140001 its reverse (10004122102), we get a palindrome (30126262103).
The spelling of 20122140001 in words is "twenty billion, one hundred twenty-two million, one hundred forty thousand, one".
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