Base | Representation |
---|---|
bin | 11101011001010010000… |
… | …011101101001010000111 |
3 | 21011010000001200212010002 |
4 | 131121102003231022013 |
5 | 231043440400112411 |
6 | 4143551433151515 |
7 | 265640523010364 |
oct | 35312203551207 |
9 | 7133001625102 |
10 | 2020011332231 |
11 | 70975580a992 |
12 | 2875a985b59b |
13 | 1186423a9069 |
14 | 6daaa48546b |
15 | 37829c3633b |
hex | 1d6520ed287 |
2020011332231 has 4 divisors (see below), whose sum is σ = 2020082460264. Its totient is φ = 2019940204200.
The previous prime is 2020011332219. The next prime is 2020011332237. The reversal of 2020011332231 is 1322331100202.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2020011332231 is a prime.
It is a super-2 number, since 2×20200113322312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2020011332237) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35521400 + ... + 35578221.
It is an arithmetic number, because the mean of its divisors is an integer number (505020615066).
Almost surely, 22020011332231 is an apocalyptic number.
2020011332231 is a deficient number, since it is larger than the sum of its proper divisors (71128033).
2020011332231 is an equidigital number, since it uses as much as digits as its factorization.
2020011332231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71128032.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 2020011332231 its reverse (1322331100202), we get a palindrome (3342342432433).
The spelling of 2020011332231 in words is "two trillion, twenty billion, eleven million, three hundred thirty-two thousand, two hundred thirty-one".
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