Base | Representation |
---|---|
bin | 1000000001000111… |
… | …0011100010110111 |
3 | 12112222122121110120 |
4 | 2000101303202313 |
5 | 13401422314343 |
6 | 553320023023 |
7 | 104221661235 |
oct | 20021634267 |
9 | 5488577416 |
10 | 2152151223 |
11 | a04919082 |
12 | 500901a73 |
13 | 283b4a481 |
14 | 165b83955 |
15 | c8e19683 |
hex | 804738b7 |
2152151223 has 32 divisors (see below), whose sum is σ = 3129968640. Its totient is φ = 1310359680.
The previous prime is 2152151203. The next prime is 2152151233. The reversal of 2152151223 is 3221512512.
It is not a de Polignac number, because 2152151223 - 25 = 2152151191 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2152151193 and 2152151202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2152151203) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 487261 + ... + 491657.
It is an arithmetic number, because the mean of its divisors is an integer number (97811520).
Almost surely, 22152151223 is an apocalyptic number.
2152151223 is a deficient number, since it is larger than the sum of its proper divisors (977817417).
2152151223 is a wasteful number, since it uses less digits than its factorization.
2152151223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4727.
The product of its digits is 1200, while the sum is 24.
The square root of 2152151223 is about 46391.2839119592. The cubic root of 2152151223 is about 1291.0932028695.
Adding to 2152151223 its reverse (3221512512), we get a palindrome (5373663735).
The spelling of 2152151223 in words is "two billion, one hundred fifty-two million, one hundred fifty-one thousand, two hundred twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •