Base | Representation |
---|---|
bin | 1000000001000101… |
… | …0001111001101111 |
3 | 12112222101121102212 |
4 | 2000101101321233 |
5 | 13401403412143 |
6 | 553313041035 |
7 | 104220545420 |
oct | 20021217157 |
9 | 5488347385 |
10 | 2152013423 |
11 | a0483459a |
12 | 50085617b |
13 | 283acc831 |
14 | 165b49647 |
15 | c8ddd918 |
hex | 80451e6f |
2152013423 has 16 divisors (see below), whose sum is σ = 2567808000. Its totient is φ = 1763399616.
The previous prime is 2152013419. The next prime is 2152013441. The reversal of 2152013423 is 3243102512.
It is a cyclic number.
It is not a de Polignac number, because 2152013423 - 22 = 2152013419 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2152013443) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480611 + ... + 485067.
It is an arithmetic number, because the mean of its divisors is an integer number (160488000).
Almost surely, 22152013423 is an apocalyptic number.
2152013423 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
2152013423 is a deficient number, since it is larger than the sum of its proper divisors (415794577).
2152013423 is a wasteful number, since it uses less digits than its factorization.
2152013423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7486.
The product of its (nonzero) digits is 1440, while the sum is 23.
The square root of 2152013423 is about 46389.7986954029. The cubic root of 2152013423 is about 1291.0656464973.
Adding to 2152013423 its reverse (3243102512), we get a palindrome (5395115935).
It can be divided in two parts, 21520 and 13423, that added together give a palindrome (34943).
The spelling of 2152013423 in words is "two billion, one hundred fifty-two million, thirteen thousand, four hundred twenty-three".
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