Base | Representation |
---|---|
bin | 111111101011110… |
… | …1010110001000111 |
3 | 12111220222022200212 |
4 | 1333113222301013 |
5 | 13334022122134 |
6 | 552013230035 |
7 | 103645304663 |
oct | 17727526107 |
9 | 5456868625 |
10 | 2136910919 |
11 | 9a7259890 |
12 | 4b779231b |
13 | 280942640 |
14 | 163b378a3 |
15 | c7908bce |
hex | 7f5eac47 |
2136910919 has 16 divisors (see below), whose sum is σ = 2512871424. Its totient is φ = 1791516000.
The previous prime is 2136910903. The next prime is 2136910949. The reversal of 2136910919 is 9190196312.
It is a cyclic number.
It is not a de Polignac number, because 2136910919 - 24 = 2136910903 is a prime.
It is a super-2 number, since 2×21369109192 = 9132776551482849122, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2136910949) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158102 + ... + 171084.
It is an arithmetic number, because the mean of its divisors is an integer number (157054464).
Almost surely, 22136910919 is an apocalyptic number.
2136910919 is a deficient number, since it is larger than the sum of its proper divisors (375960505).
2136910919 is a wasteful number, since it uses less digits than its factorization.
2136910919 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14158.
The product of its (nonzero) digits is 26244, while the sum is 41.
The square root of 2136910919 is about 46226.7338128058. The cubic root of 2136910919 is about 1288.0383861272.
The spelling of 2136910919 in words is "two billion, one hundred thirty-six million, nine hundred ten thousand, nine hundred nineteen".
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