Base | Representation |
---|---|
bin | 1000000001000101… |
… | …1011011000000111 |
3 | 12112222110120200012 |
4 | 2000101123120013 |
5 | 13401411132411 |
6 | 553313540435 |
7 | 104221066520 |
oct | 20021333007 |
9 | 5488416605 |
10 | 2152052231 |
11 | a0486076a |
12 | 50087471b |
13 | 283b143b4 |
14 | 165b59847 |
15 | c8dea18b |
hex | 8045b607 |
2152052231 has 8 divisors (see below), whose sum is σ = 2471974560. Its totient is φ = 1835251488.
The previous prime is 2152052183. The next prime is 2152052237. The reversal of 2152052231 is 1322502512.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2152052231 - 26 = 2152052167 is a prime.
It is a super-2 number, since 2×21520522312 = 9262657609904154722, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2152052197 and 2152052206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2152052237) 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, 778916 + ... + 781673.
It is an arithmetic number, because the mean of its divisors is an integer number (308996820).
Almost surely, 22152052231 is an apocalyptic number.
2152052231 is a deficient number, since it is larger than the sum of its proper divisors (319922329).
2152052231 is a wasteful number, since it uses less digits than its factorization.
2152052231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1560793.
The product of its (nonzero) digits is 1200, while the sum is 23.
The square root of 2152052231 is about 46390.2169751339. The cubic root of 2152052231 is about 1291.0734071946.
Adding to 2152052231 its reverse (1322502512), we get a palindrome (3474554743).
The spelling of 2152052231 in words is "two billion, one hundred fifty-two million, fifty-two thousand, two hundred thirty-one".
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