Base | Representation |
---|---|
bin | 111111000010001… |
… | …1111111101000101 |
3 | 12110101221122122102 |
4 | 1332010133331011 |
5 | 13312431434202 |
6 | 545514041445 |
7 | 103262061413 |
oct | 17604377505 |
9 | 5411848572 |
10 | 2115108677 |
11 | 995a18500 |
12 | 4b0419285 |
13 | 27927aac6 |
14 | 160ca02b3 |
15 | c5a4dd02 |
hex | 7e11ff45 |
2115108677 has 12 divisors (see below), whose sum is σ = 2327044608. Its totient is φ = 1921029000.
The previous prime is 2115108661. The next prime is 2115108689. The reversal of 2115108677 is 7768015112.
It is a happy number.
It is not a de Polignac number, because 2115108677 - 24 = 2115108661 is a prime.
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 2115108677.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2115108647) 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 11 ways as a sum of consecutive naturals, for example, 131678 + ... + 146864.
It is an arithmetic number, because the mean of its divisors is an integer number (193920384).
Almost surely, 22115108677 is an apocalyptic number.
It is an amenable number.
2115108677 is a deficient number, since it is larger than the sum of its proper divisors (211935931).
2115108677 is a wasteful number, since it uses less digits than its factorization.
2115108677 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16360 (or 16349 counting only the distinct ones).
The product of its (nonzero) digits is 23520, while the sum is 38.
The square root of 2115108677 is about 45990.3106860565. The cubic root of 2115108677 is about 1283.6429176018.
The spelling of 2115108677 in words is "two billion, one hundred fifteen million, one hundred eight thousand, six hundred seventy-seven".
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