Base | Representation |
---|---|
bin | 1000000001001000… |
… | …0011000110100101 |
3 | 12112222202211212210 |
4 | 2000102003012211 |
5 | 13401431334244 |
6 | 553321234033 |
7 | 104222345103 |
oct | 20022030645 |
9 | 5488684783 |
10 | 2152214949 |
11 | a04961a45 |
12 | 500932919 |
13 | 283b70491 |
14 | 165b9cc73 |
15 | c8e2d4b9 |
hex | 804831a5 |
2152214949 has 16 divisors (see below), whose sum is σ = 3151987200. Its totient is φ = 1300193136.
The previous prime is 2152214947. The next prime is 2152214963. The reversal of 2152214949 is 9494122512.
It is not a de Polignac number, because 2152214949 - 21 = 2152214947 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2152214941) 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, 819519 + ... + 822140.
It is an arithmetic number, because the mean of its divisors is an integer number (196999200).
Almost surely, 22152214949 is an apocalyptic number.
It is an amenable number.
2152214949 is a deficient number, since it is larger than the sum of its proper divisors (999772251).
2152214949 is a wasteful number, since it uses less digits than its factorization.
2152214949 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1641704.
The product of its digits is 51840, while the sum is 39.
The square root of 2152214949 is about 46391.9707384802. The cubic root of 2152214949 is about 1291.1059459941.
The spelling of 2152214949 in words is "two billion, one hundred fifty-two million, two hundred fourteen thousand, nine hundred forty-nine".
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