Base | Representation |
---|---|
bin | 1001000110011011101001… |
… | …01110100101001011000001 |
3 | 2121212011000101121120121001 |
4 | 10203031310232211023001 |
5 | 10110340002004000001 |
6 | 110321252142132001 |
7 | 4133556146555653 |
oct | 443156456451301 |
9 | 77764011546531 |
10 | 20012211000001 |
11 | 6416149435080 |
12 | 22b2600b81001 |
13 | b221b308461c |
14 | 4d284bcc26d3 |
15 | 24a86bdd5001 |
hex | 123374ba52c1 |
20012211000001 has 8 divisors (see below), whose sum is σ = 23115708962784. Its totient is φ = 17122747379520.
The previous prime is 20012210999971. The next prime is 20012211000091. The reversal of 20012211000001 is 10000011221002.
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 20012211000001 - 25 = 20012210999969 is a prime.
It is a super-2 number, since 2×200122110000012 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20012211000091) 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, 53508585375 + ... + 53508585748.
It is an arithmetic number, because the mean of its divisors is an integer number (2889463620348).
Almost surely, 220012211000001 is an apocalyptic number.
It is an amenable number.
20012211000001 is a deficient number, since it is larger than the sum of its proper divisors (3103497962783).
20012211000001 is a wasteful number, since it uses less digits than its factorization.
20012211000001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 107017171151.
The product of its (nonzero) digits is 8, while the sum is 10.
Adding to 20012211000001 its reverse (10000011221002), we get a palindrome (30012222221003).
The spelling of 20012211000001 in words is "twenty trillion, twelve billion, two hundred eleven million, one", and thus it is an aban number.
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