Base | Representation |
---|---|
bin | 111111110000001… |
… | …1110011101010100 |
3 | 12112002022121212211 |
4 | 1333200132131110 |
5 | 13340120013141 |
6 | 552134523204 |
7 | 104004032260 |
oct | 17740363524 |
9 | 5462277784 |
10 | 2139219796 |
11 | 9a859654a |
12 | 4b8506504 |
13 | 28127053c |
14 | 1641790a0 |
15 | c7c12d81 |
hex | 7f81e754 |
2139219796 has 24 divisors (see below), whose sum is σ = 4279419200. Its totient is φ = 916598592.
The previous prime is 2139219793. The next prime is 2139219799. The reversal of 2139219796 is 6979129312.
It is an interprime number because it is at equal distance from previous prime (2139219793) and next prime (2139219799).
It is a super-2 number, since 2×21392197962 = 9152522671196563232, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2139219793) 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, 231880 + ... + 240928.
Almost surely, 22139219796 is an apocalyptic number.
It is an amenable number.
2139219796 is an abundant number, since it is smaller than the sum of its proper divisors (2140199404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2139219796 is a wasteful number, since it uses less digits than its factorization.
2139219796 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17503 (or 17501 counting only the distinct ones).
The product of its digits is 367416, while the sum is 49.
The square root of 2139219796 is about 46251.7004660369. The cubic root of 2139219796 is about 1288.5021165428.
The spelling of 2139219796 in words is "two billion, one hundred thirty-nine million, two hundred nineteen thousand, seven hundred ninety-six".
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