Base | Representation |
---|---|
bin | 1000000001000110… |
… | …1000000011110100 |
3 | 12112222120012221020 |
4 | 2000101220003310 |
5 | 13401414313210 |
6 | 553315021140 |
7 | 104221404132 |
oct | 20021500364 |
9 | 5488505836 |
10 | 2152104180 |
11 | a048967a6 |
12 | 50089a7b0 |
13 | 283b31c35 |
14 | 165b70752 |
15 | c8e0a770 |
hex | 804680f4 |
2152104180 has 48 divisors (see below), whose sum is σ = 6051144960. Its totient is φ = 571489408.
The previous prime is 2152104173. The next prime is 2152104187. The reversal of 2152104180 is 814012512.
It is an interprime number because it is at equal distance from previous prime (2152104173) and next prime (2152104187).
It is a self number, because there is not a number n which added to its sum of digits gives 2152104180.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2152104187) 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, 60699 + ... + 89378.
It is an arithmetic number, because the mean of its divisors is an integer number (126065520).
Almost surely, 22152104180 is an apocalyptic number.
2152104180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2152104180 is an abundant number, since it is smaller than the sum of its proper divisors (3899040780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2152104180 is a wasteful number, since it uses less digits than its factorization.
2152104180 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 150328 (or 150326 counting only the distinct ones).
The product of its (nonzero) digits is 640, while the sum is 24.
The square root of 2152104180 is about 46390.7768850663. The cubic root of 2152104180 is about 1291.0837956402.
Adding to 2152104180 its reverse (814012512), we get a palindrome (2966116692).
The spelling of 2152104180 in words is "two billion, one hundred fifty-two million, one hundred four thousand, one hundred eighty".
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