Base | Representation |
---|---|
bin | 1000000000000011… |
… | …0111111101111101 |
3 | 12112200022010012222 |
4 | 2000000313331331 |
5 | 13344303303033 |
6 | 553040535125 |
7 | 104136154424 |
oct | 20000677575 |
9 | 5480263188 |
10 | 2147712893 |
11 | a02367537 |
12 | 4bb3214a5 |
13 | 282c55241 |
14 | 16534a2bb |
15 | c883e598 |
hex | 80037f7d |
2147712893 has 4 divisors (see below), whose sum is σ = 2193408960. Its totient is φ = 2102016828.
The previous prime is 2147712887. The next prime is 2147712907. The reversal of 2147712893 is 3982177412.
2147712893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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.
It is a cyclic number.
It is not a de Polignac number, because 2147712893 - 228 = 1879277437 is a prime.
It is a super-2 number, since 2×21477128932 = 9225341341516858898, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2147712803) 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, 22847963 + ... + 22848056.
It is an arithmetic number, because the mean of its divisors is an integer number (548352240).
Almost surely, 22147712893 is an apocalyptic number.
It is an amenable number.
2147712893 is a deficient number, since it is larger than the sum of its proper divisors (45696067).
2147712893 is an equidigital number, since it uses as much as digits as its factorization.
2147712893 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45696066.
The product of its digits is 169344, while the sum is 44.
The square root of 2147712893 is about 46343.4234061317. The cubic root of 2147712893 is about 1290.2050618465.
The spelling of 2147712893 in words is "two billion, one hundred forty-seven million, seven hundred twelve thousand, eight hundred ninety-three".
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