Base | Representation |
---|---|
bin | 111111000010010… |
… | …1010001001111100 |
3 | 12110102000202221221 |
4 | 1332010222021330 |
5 | 13312434303320 |
6 | 545515003124 |
7 | 103262324263 |
oct | 17604521174 |
9 | 5412022857 |
10 | 2115150460 |
11 | 995a46935 |
12 | 4b04394a4 |
13 | 279293b27 |
14 | 160cb15da |
15 | c5a5b3aa |
hex | 7e12a27c |
2115150460 has 24 divisors (see below), whose sum is σ = 4585101696. Its totient is φ = 818767680.
The previous prime is 2115150451. The next prime is 2115150461. The reversal of 2115150460 is 640515112.
It is a happy number.
It is a super-4 number, since 4×21151504604 (a number of 38 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2115150461) 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, 1705147 + ... + 1706386.
It is an arithmetic number, because the mean of its divisors is an integer number (191045904).
Almost surely, 22115150460 is an apocalyptic number.
2115150460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2115150460 is an abundant number, since it is smaller than the sum of its proper divisors (2469951236).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2115150460 is a wasteful number, since it uses less digits than its factorization.
2115150460 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3411573 (or 3411571 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 25.
The square root of 2115150460 is about 45990.7649425404. The cubic root of 2115150460 is about 1283.6513701382.
Adding to 2115150460 its reverse (640515112), we get a palindrome (2755665572).
The spelling of 2115150460 in words is "two billion, one hundred fifteen million, one hundred fifty thousand, four hundred sixty".
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