Base | Representation |
---|---|
bin | 111111100010101… |
… | …0100010010010000 |
3 | 12111120220220200120 |
4 | 1333011110102100 |
5 | 13331304201430 |
6 | 551322150240 |
7 | 103556360454 |
oct | 17705242220 |
9 | 5446826616 |
10 | 2132100240 |
11 | 9a4573516 |
12 | 4b6052380 |
13 | 27c949a9a |
14 | 163244664 |
15 | c72a8610 |
hex | 7f154490 |
2132100240 has 40 divisors (see below), whose sum is σ = 6609511488. Its totient is φ = 568560000.
The previous prime is 2132100239. The next prime is 2132100281. The reversal of 2132100240 is 420012312.
It is a tau number, because it is divible by the number of its divisors (40).
It is a Harshad number since it is a multiple of its sum of digits (15).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4441636 + ... + 4442115.
Almost surely, 22132100240 is an apocalyptic number.
2132100240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2132100240 is an abundant number, since it is smaller than the sum of its proper divisors (4477411248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2132100240 is a wasteful number, since it uses less digits than its factorization.
2132100240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8883767 (or 8883761 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 2132100240 is about 46174.6709787953. The cubic root of 2132100240 is about 1287.0711028118.
Adding to 2132100240 its reverse (420012312), we get a palindrome (2552112552).
The spelling of 2132100240 in words is "two billion, one hundred thirty-two million, one hundred thousand, two hundred forty".
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