Base | Representation |
---|---|
bin | 110011010010110… |
… | …1000110110111010 |
3 | 11102221122002221110 |
4 | 1212211220312322 |
5 | 12011103031324 |
6 | 442442021150 |
7 | 60436320534 |
oct | 14645506672 |
9 | 4387562843 |
10 | 1721142714 |
11 | 8035a3aa5 |
12 | 4004a77b6 |
13 | 21576cb55 |
14 | 12482a854 |
15 | a117d329 |
hex | 66968dba |
1721142714 has 32 divisors (see below), whose sum is σ = 3477095424. Its totient is φ = 567934640.
The previous prime is 1721142701. The next prime is 1721142719. The reversal of 1721142714 is 4172411271.
It is not an unprimeable number, because it can be changed into a prime (1721142719) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345727 + ... + 350669.
It is an arithmetic number, because the mean of its divisors is an integer number (108659232).
Almost surely, 21721142714 is an apocalyptic number.
1721142714 is an abundant number, since it is smaller than the sum of its proper divisors (1755952710).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1721142714 is a wasteful number, since it uses less digits than its factorization.
1721142714 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5522.
The product of its digits is 3136, while the sum is 30.
The square root of 1721142714 is about 41486.6570598307. The cubic root of 1721142714 is about 1198.4105609435.
Adding to 1721142714 its reverse (4172411271), we get a palindrome (5893553985).
The spelling of 1721142714 in words is "one billion, seven hundred twenty-one million, one hundred forty-two thousand, seven hundred fourteen".
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