Base | Representation |
---|---|
bin | 111111000010100… |
… | …1011001011000100 |
3 | 12110102021122110211 |
4 | 1332011023023010 |
5 | 13313003120300 |
6 | 545521525204 |
7 | 103263426463 |
oct | 17605131304 |
9 | 5412248424 |
10 | 2115285700 |
11 | 996029500 |
12 | 4b04a3804 |
13 | 279310558 |
14 | 160d089da |
15 | c5a864ba |
hex | 7e14b2c4 |
2115285700 has 108 divisors (see below), whose sum is σ = 5132640240. Its totient is φ = 755902400.
The previous prime is 2115285647. The next prime is 2115285701. The reversal of 2115285700 is 75825112.
It is not an unprimeable number, because it can be changed into a prime (2115285701) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 712419 + ... + 715381.
Almost surely, 22115285700 is an apocalyptic number.
2115285700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2115285700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2566320120).
2115285700 is an abundant number, since it is smaller than the sum of its proper divisors (3017354540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2115285700 is a wasteful number, since it uses less digits than its factorization.
2115285700 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3058 (or 3040 counting only the distinct ones).
The product of its (nonzero) digits is 5600, while the sum is 31.
The square root of 2115285700 is about 45992.2352142185. The cubic root of 2115285700 is about 1283.6787278943.
The spelling of 2115285700 in words is "two billion, one hundred fifteen million, two hundred eighty-five thousand, seven hundred".
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