Base | Representation |
---|---|
bin | 1000000000100000… |
… | …1101101101100000 |
3 | 12112210220212112201 |
4 | 2000020031231200 |
5 | 13400301340320 |
6 | 553150102544 |
7 | 104161420102 |
oct | 20010155540 |
9 | 5483825481 |
10 | 2149636960 |
11 | a03461079 |
12 | 4bbaaaa54 |
13 | 283479c43 |
14 | 1656cb572 |
15 | c8abe70a |
hex | 8020db60 |
2149636960 has 48 divisors (see below), whose sum is σ = 5125150800. Its totient is φ = 851959296.
The previous prime is 2149636939. The next prime is 2149636963. The reversal of 2149636960 is 696369412.
It is a self number, because there is not a number n which added to its sum of digits gives 2149636960.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2149636963) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44190 + ... + 79069.
It is an arithmetic number, because the mean of its divisors is an integer number (106773975).
Almost surely, 22149636960 is an apocalyptic number.
2149636960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2149636960 is an abundant number, since it is smaller than the sum of its proper divisors (2975513840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2149636960 is a wasteful number, since it uses less digits than its factorization.
2149636960 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 123383 (or 123375 counting only the distinct ones).
The product of its (nonzero) digits is 419904, while the sum is 46.
The square root of 2149636960 is about 46364.1775512086. The cubic root of 2149636960 is about 1290.5902312744.
The spelling of 2149636960 in words is "two billion, one hundred forty-nine million, six hundred thirty-six thousand, nine hundred sixty".
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