Base | Representation |
---|---|
bin | 1001001001000010111010… |
… | …10010010000010111101011 |
3 | 2122011201210210001122111211 |
4 | 10210201131102100113223 |
5 | 10113322410033341021 |
6 | 110430423053333551 |
7 | 4143215411561416 |
oct | 444413522202753 |
9 | 78151723048454 |
10 | 20102012012011 |
11 | 64502407a4586 |
12 | 2307aa31972b7 |
13 | b2a7c48b5117 |
14 | 4d6d2a5c2b7d |
15 | 24cd75a573e1 |
hex | 12485d4905eb |
20102012012011 has 8 divisors (see below), whose sum is σ = 20158840971360. Its totient is φ = 20045187689472.
The previous prime is 20102012011993. The next prime is 20102012012041. The reversal of 20102012012011 is 11021021020102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20102012012011 - 231 = 20099864528363 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20102012011982 and 20102012012000.
It is not an unprimeable number, because it can be changed into a prime (20102012012041) 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, 7617451 + ... + 9911083.
It is an arithmetic number, because the mean of its divisors is an integer number (2519855121420).
Almost surely, 220102012012011 is an apocalyptic number.
20102012012011 is a deficient number, since it is larger than the sum of its proper divisors (56828959349).
20102012012011 is a wasteful number, since it uses less digits than its factorization.
20102012012011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2318405.
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 20102012012011 its reverse (11021021020102), we get a palindrome (31123033032113).
The spelling of 20102012012011 in words is "twenty trillion, one hundred two billion, twelve million, twelve thousand, eleven".
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