Base | Representation |
---|---|
bin | 111111110011101… |
… | …0111110111001000 |
3 | 12112012201110222100 |
4 | 1333213113313020 |
5 | 13341100342114 |
6 | 552241353400 |
7 | 104025302340 |
oct | 17747276710 |
9 | 5465643870 |
10 | 2141027784 |
11 | 9a9610955 |
12 | 4b9038860 |
13 | 28175445c |
14 | 1644c9d20 |
15 | c7e6d909 |
hex | 7f9d7dc8 |
2141027784 has 48 divisors (see below), whose sum is σ = 6626992320. Its totient is φ = 611722080.
The previous prime is 2141027773. The next prime is 2141027789. The reversal of 2141027784 is 4877201412.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (2141027789) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2123532 + ... + 2124539.
It is an arithmetic number, because the mean of its divisors is an integer number (138062340).
Almost surely, 22141027784 is an apocalyptic number.
2141027784 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
2141027784 is an abundant number, since it is smaller than the sum of its proper divisors (4485964536).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2141027784 is a wasteful number, since it uses less digits than its factorization.
2141027784 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4248090 (or 4248083 counting only the distinct ones).
The product of its (nonzero) digits is 25088, while the sum is 36.
The square root of 2141027784 is about 46271.2414356909. The cubic root of 2141027784 is about 1288.8650121463.
It can be divided in two parts, 21410 and 27784, that added together give a palindrome (49194).
The spelling of 2141027784 in words is "two billion, one hundred forty-one million, twenty-seven thousand, seven hundred eighty-four".
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