Base | Representation |
---|---|
bin | 111111111011010… |
… | …1110100000101011 |
3 | 12112111021222010212 |
4 | 1333312232200223 |
5 | 13343113141330 |
6 | 552503531335 |
7 | 104104435001 |
oct | 17766564053 |
9 | 5474258125 |
10 | 2145052715 |
11 | a0090a943 |
12 | 4ba459b4b |
13 | 282533480 |
14 | 164c56a71 |
15 | c84b6295 |
hex | 7fdae82b |
2145052715 has 16 divisors (see below), whose sum is σ = 2867659200. Its totient is φ = 1529415552.
The previous prime is 2145052699. The next prime is 2145052751. The reversal of 2145052715 is 5172505412.
It is a cyclic number.
It is not a de Polignac number, because 2145052715 - 24 = 2145052699 is a prime.
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, 567095 + ... + 570864.
It is an arithmetic number, because the mean of its divisors is an integer number (179228700).
Almost surely, 22145052715 is an apocalyptic number.
2145052715 is a deficient number, since it is larger than the sum of its proper divisors (722606485).
2145052715 is a wasteful number, since it uses less digits than its factorization.
2145052715 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1138006.
The product of its (nonzero) digits is 14000, while the sum is 32.
The square root of 2145052715 is about 46314.7138067375. The cubic root of 2145052715 is about 1289.6721549343.
The spelling of 2145052715 in words is "two billion, one hundred forty-five million, fifty-two thousand, seven hundred fifteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •