Base | Representation |
---|---|
bin | 111110101010111… |
… | …1110100000101101 |
3 | 12102120000001102020 |
4 | 1331111332200231 |
5 | 13301321204234 |
6 | 544400420353 |
7 | 103053315615 |
oct | 17525764055 |
9 | 5376001366 |
10 | 2102913069 |
11 | 98a048794 |
12 | 4a83176b9 |
13 | 27689aa7a |
14 | 15d407a45 |
15 | c4940549 |
hex | 7d57e82d |
2102913069 has 24 divisors (see below), whose sum is σ = 2952489120. Its totient is φ = 1331200992.
The previous prime is 2102913031. The next prime is 2102913089. The reversal of 2102913069 is 9603192012.
It is not a de Polignac number, because 2102913069 - 27 = 2102912941 is a prime.
It is a super-2 number, since 2×21029130692 = 8844486751541997522, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2102913089) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 215827 + ... + 225359.
It is an arithmetic number, because the mean of its divisors is an integer number (123020380).
Almost surely, 22102913069 is an apocalyptic number.
It is an amenable number.
2102913069 is a deficient number, since it is larger than the sum of its proper divisors (849576051).
2102913069 is a wasteful number, since it uses less digits than its factorization.
2102913069 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9721 (or 9698 counting only the distinct ones).
The product of its (nonzero) digits is 5832, while the sum is 33.
The square root of 2102913069 is about 45857.5301231979. The cubic root of 2102913069 is about 1281.1710208417.
The spelling of 2102913069 in words is "two billion, one hundred two million, nine hundred thirteen thousand, sixty-nine".
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