Base | Representation |
---|---|
bin | 1010001010101111… |
… | …0001001000010100 |
3 | 21001012210222210210 |
4 | 2202223301020110 |
5 | 21042210214140 |
6 | 1130500045420 |
7 | 124431240102 |
oct | 24253611024 |
9 | 7035728723 |
10 | 2729382420 |
11 | 1180735456 |
12 | 642093870 |
13 | 3466035ab |
14 | 1bc6c0c72 |
15 | 10e93ad80 |
hex | a2af1214 |
2729382420 has 48 divisors (see below), whose sum is σ = 7664227200. Its totient is φ = 725744256.
The previous prime is 2729382413. The next prime is 2729382437. The reversal of 2729382420 is 242839272.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44232 + ... + 86111.
It is an arithmetic number, because the mean of its divisors is an integer number (159671400).
Almost surely, 22729382420 is an apocalyptic number.
2729382420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2729382420 is an abundant number, since it is smaller than the sum of its proper divisors (4934844780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2729382420 is a wasteful number, since it uses less digits than its factorization.
2729382420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 130704 (or 130702 counting only the distinct ones).
The product of its (nonzero) digits is 96768, while the sum is 39.
The square root of 2729382420 is about 52243.4916520709. The cubic root of 2729382420 is about 1397.5095895306.
The spelling of 2729382420 in words is "two billion, seven hundred twenty-nine million, three hundred eighty-two thousand, four hundred twenty".
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