Base | Representation |
---|---|
bin | 111001000100000… |
… | …0010110001101001 |
3 | 11221102212101220121 |
4 | 1302020002301221 |
5 | 12410131224040 |
6 | 513554523241 |
7 | 65306530144 |
oct | 16210026151 |
9 | 4842771817 |
10 | 1914711145 |
11 | 8a2893906 |
12 | 455296521 |
13 | 2468b4899 |
14 | 14241705b |
15 | b3166c4a |
hex | 72202c69 |
1914711145 has 16 divisors (see below), whose sum is σ = 2348206848. Its totient is φ = 1498113280.
The previous prime is 1914711143. The next prime is 1914711151. The reversal of 1914711145 is 5411174191.
It is a happy number.
It is not a de Polignac number, because 1914711145 - 21 = 1914711143 is a prime.
It is a super-2 number, since 2×19147111452 = 7332237537574422050, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1914711145.
It is not an unprimeable number, because it can be changed into a prime (1914711143) 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, 566310 + ... + 569680.
It is an arithmetic number, because the mean of its divisors is an integer number (146762928).
Almost surely, 21914711145 is an apocalyptic number.
It is an amenable number.
1914711145 is a deficient number, since it is larger than the sum of its proper divisors (433495703).
1914711145 is a wasteful number, since it uses less digits than its factorization.
1914711145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5840.
The product of its digits is 5040, while the sum is 34.
The square root of 1914711145 is about 43757.4124577768. The cubic root of 1914711145 is about 1241.7507235759.
The spelling of 1914711145 in words is "one billion, nine hundred fourteen million, seven hundred eleven thousand, one hundred forty-five".
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