Base | Representation |
---|---|
bin | 111111110000110… |
… | …0000100011100101 |
3 | 12112002211101021010 |
4 | 1333201200203211 |
5 | 13340202144113 |
6 | 552144412433 |
7 | 104006240505 |
oct | 17741404345 |
9 | 5462741233 |
10 | 2139490533 |
11 | 9a87609a4 |
12 | 4b8617119 |
13 | 28133683b |
14 | 164209a05 |
15 | c7c681c3 |
hex | 7f8608e5 |
2139490533 has 8 divisors (see below), whose sum is σ = 2855341888. Its totient is φ = 1424983104.
The previous prime is 2139490531. The next prime is 2139490541. The reversal of 2139490533 is 3350949312.
2139490533 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2139490533 - 21 = 2139490531 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2139490491 and 2139490500.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2139490531) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332260 + ... + 338637.
It is an arithmetic number, because the mean of its divisors is an integer number (356917736).
Almost surely, 22139490533 is an apocalyptic number.
It is an amenable number.
2139490533 is a deficient number, since it is larger than the sum of its proper divisors (715851355).
2139490533 is a wasteful number, since it uses less digits than its factorization.
2139490533 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 671963.
The product of its (nonzero) digits is 87480, while the sum is 39.
The square root of 2139490533 is about 46254.6271523185. The cubic root of 2139490533 is about 1288.5564713256.
The spelling of 2139490533 in words is "two billion, one hundred thirty-nine million, four hundred ninety thousand, five hundred thirty-three".
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