Base | Representation |
---|---|
bin | 1000000001001000… |
… | …1001100000000101 |
3 | 12112222211011211110 |
4 | 2000102021200011 |
5 | 13401433204112 |
6 | 553321555233 |
7 | 104222514363 |
oct | 20022114005 |
9 | 5488734743 |
10 | 2152241157 |
11 | a0497a700 |
12 | 500945b19 |
13 | 283b7c3a1 |
14 | 165ba8633 |
15 | c8e3613c |
hex | 80489805 |
2152241157 has 48 divisors (see below), whose sum is σ = 3356579520. Its totient is φ = 1221496320.
The previous prime is 2152241153. The next prime is 2152241159. The reversal of 2152241157 is 7511422512.
It is a happy number.
It is not a de Polignac number, because 2152241157 - 22 = 2152241153 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2152241153) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1412398 + ... + 1413920.
It is an arithmetic number, because the mean of its divisors is an integer number (69928740).
Almost surely, 22152241157 is an apocalyptic number.
It is an amenable number.
2152241157 is a deficient number, since it is larger than the sum of its proper divisors (1204338363).
2152241157 is a wasteful number, since it uses less digits than its factorization.
2152241157 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1794 (or 1783 counting only the distinct ones).
The product of its digits is 5600, while the sum is 30.
The square root of 2152241157 is about 46392.2532002920. The cubic root of 2152241157 is about 1291.1111866675. Note that the first 4 decimals are identical.
Adding to 2152241157 its reverse (7511422512), we get a palindrome (9663663669).
The spelling of 2152241157 in words is "two billion, one hundred fifty-two million, two hundred forty-one thousand, one hundred fifty-seven".
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