Base | Representation |
---|---|
bin | 111111111011101… |
… | …0011000010110011 |
3 | 12112111120120102002 |
4 | 1333313103002303 |
5 | 13343132433410 |
6 | 552511044215 |
7 | 104105630162 |
oct | 17767230263 |
9 | 5474516362 |
10 | 2145202355 |
11 | a00a0230a |
12 | 4ba51066b |
13 | 28258660a |
14 | 164c953d9 |
15 | c84e57a5 |
hex | 7fdd30b3 |
2145202355 has 16 divisors (see below), whose sum is σ = 2665008000. Its totient is φ = 1655740800.
The previous prime is 2145202349. The next prime is 2145202379. The reversal of 2145202355 is 5532025412.
It is not a de Polignac number, because 2145202355 - 226 = 2078093491 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (29).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219830 + ... + 229380.
It is an arithmetic number, because the mean of its divisors is an integer number (166563000).
Almost surely, 22145202355 is an apocalyptic number.
2145202355 is a deficient number, since it is larger than the sum of its proper divisors (519805645).
2145202355 is a wasteful number, since it uses less digits than its factorization.
2145202355 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11134.
The product of its (nonzero) digits is 12000, while the sum is 29.
The square root of 2145202355 is about 46316.3292479013. The cubic root of 2145202355 is about 1289.7021436384.
Adding to 2145202355 its reverse (5532025412), we get a palindrome (7677227767).
The spelling of 2145202355 in words is "two billion, one hundred forty-five million, two hundred two thousand, three hundred fifty-five".
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