Base | Representation |
---|---|
bin | 11101100011101110001… |
… | …010010001000000010011 |
3 | 21012011221020012222020210 |
4 | 131203232022101000103 |
5 | 231234414334412321 |
6 | 4153044002535203 |
7 | 266515350046152 |
oct | 35435612210023 |
9 | 7164836188223 |
10 | 2031220232211 |
11 | 71348795a395 |
12 | 2897b7667503 |
13 | 11970a685961 |
14 | 70450db3599 |
15 | 37c83cdbb76 |
hex | 1d8ee291013 |
2031220232211 has 8 divisors (see below), whose sum is σ = 2742575841280. Its totient is φ = 1337005722312.
The previous prime is 2031220232179. The next prime is 2031220232219. The reversal of 2031220232211 is 1122320221302.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2031220232211 - 25 = 2031220232179 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2031220232219) 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, 4285274515 + ... + 4285274988.
It is an arithmetic number, because the mean of its divisors is an integer number (342821980160).
Almost surely, 22031220232211 is an apocalyptic number.
2031220232211 is a deficient number, since it is larger than the sum of its proper divisors (711355609069).
2031220232211 is an equidigital number, since it uses as much as digits as its factorization.
2031220232211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8570549585.
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 2031220232211 its reverse (1122320221302), we get a palindrome (3153540453513).
The spelling of 2031220232211 in words is "two trillion, thirty-one billion, two hundred twenty million, two hundred thirty-two thousand, two hundred eleven".
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