Base | Representation |
---|---|
bin | 1000000001010100… |
… | …0101110011100111 |
3 | 12120001021100212001 |
4 | 2000111011303213 |
5 | 13402132344310 |
6 | 553350310131 |
7 | 104232206146 |
oct | 20025056347 |
9 | 5501240761 |
10 | 2153012455 |
11 | a05357140 |
12 | 501058347 |
13 | 28408c489 |
14 | 165d2975d |
15 | c903993a |
hex | 80545ce7 |
2153012455 has 32 divisors (see below), whose sum is σ = 2996352000. Its totient is φ = 1468656000.
The previous prime is 2153012453. The next prime is 2153012467. The reversal of 2153012455 is 5542103512.
It is not a de Polignac number, because 2153012455 - 21 = 2153012453 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2153012453) 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, 95346 + ... + 115744.
It is an arithmetic number, because the mean of its divisors is an integer number (93636000).
Almost surely, 22153012455 is an apocalyptic number.
2153012455 is a deficient number, since it is larger than the sum of its proper divisors (843339545).
2153012455 is a wasteful number, since it uses less digits than its factorization.
2153012455 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20535.
The product of its (nonzero) digits is 6000, while the sum is 28.
The square root of 2153012455 is about 46400.5652444019. The cubic root of 2153012455 is about 1291.2653999532.
Adding to 2153012455 its reverse (5542103512), we get a palindrome (7695115967).
The spelling of 2153012455 in words is "two billion, one hundred fifty-three million, twelve thousand, four hundred fifty-five".
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