Base | Representation |
---|---|
bin | 1000011011111111… |
… | …0011001111001001 |
3 | 12211211202102010202 |
4 | 2012333303033021 |
5 | 14114301400011 |
6 | 1012424021545 |
7 | 110061044006 |
oct | 20677631711 |
9 | 5754672122 |
10 | 2264871881 |
11 | a62508848 |
12 | 5326018b5 |
13 | 2a12c5c9c |
14 | 176b268ad |
15 | d3c8323b |
hex | 86ff33c9 |
2264871881 has 4 divisors (see below), whose sum is σ = 2303259600. Its totient is φ = 2226484164.
The previous prime is 2264871859. The next prime is 2264871901. The reversal of 2264871881 is 1881784622.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1881784622 = 2 ⋅940892311.
It is a cyclic number.
It is not a de Polignac number, because 2264871881 - 222 = 2260677577 is a prime.
It is a super-2 number, since 2×22648718812 = 10259289274688956322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2264871821) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19193771 + ... + 19193888.
It is an arithmetic number, because the mean of its divisors is an integer number (575814900).
Almost surely, 22264871881 is an apocalyptic number.
It is an amenable number.
2264871881 is a deficient number, since it is larger than the sum of its proper divisors (38387719).
2264871881 is an equidigital number, since it uses as much as digits as its factorization.
2264871881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38387718.
The product of its digits is 344064, while the sum is 47.
The square root of 2264871881 is about 47590.6701045489. The cubic root of 2264871881 is about 1313.2514227318.
The spelling of 2264871881 in words is "two billion, two hundred sixty-four million, eight hundred seventy-one thousand, eight hundred eighty-one".
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