Base | Representation |
---|---|
bin | 111111110011011… |
… | …0110001111011000 |
3 | 12112012110111001220 |
4 | 1333212312033120 |
5 | 13341031440242 |
6 | 552234412040 |
7 | 104024160006 |
oct | 17746661730 |
9 | 5465414056 |
10 | 2140890072 |
11 | 9a9527442 |
12 | 4b8b91020 |
13 | 281706879 |
14 | 164491a76 |
15 | c7e42bec |
hex | 7f9b63d8 |
2140890072 has 16 divisors (see below), whose sum is σ = 5352225240. Its totient is φ = 713630016.
The previous prime is 2140890023. The next prime is 2140890079. The reversal of 2140890072 is 2700980412.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2140890079) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44601853 + ... + 44601900.
Almost surely, 22140890072 is an apocalyptic number.
It is an amenable number.
2140890072 is an abundant number, since it is smaller than the sum of its proper divisors (3211335168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2140890072 is a wasteful number, since it uses less digits than its factorization.
2140890072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 89203762 (or 89203758 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 33.
The square root of 2140890072 is about 46269.7533168267. The cubic root of 2140890072 is about 1288.8373780687.
The spelling of 2140890072 in words is "two billion, one hundred forty million, eight hundred ninety thousand, seventy-two".
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