Base | Representation |
---|---|
bin | 111100011010001… |
… | …0110000100001100 |
3 | 12020021010122111210 |
4 | 1320310112010030 |
5 | 13122402102123 |
6 | 533045214420 |
7 | 101142053250 |
oct | 17064260414 |
9 | 5207118453 |
10 | 2026987788 |
11 | 9501aaa21 |
12 | 486a01410 |
13 | 263c36277 |
14 | 1532c2260 |
15 | bce43e93 |
hex | 78d1610c |
2026987788 has 96 divisors (see below), whose sum is σ = 5570199040. Its totient is φ = 561738240.
The previous prime is 2026987763. The next prime is 2026987789. The reversal of 2026987788 is 8877896202.
It is a super-2 number, since 2×20269877882 = 8217358985402265888, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2026987789) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 371343 + ... + 376761.
Almost surely, 22026987788 is an apocalyptic number.
2026987788 is a gapful number since it is divisible by the number (28) 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 2026987788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2785099520).
2026987788 is an abundant number, since it is smaller than the sum of its proper divisors (3543211252).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2026987788 is a wasteful number, since it uses less digits than its factorization.
2026987788 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5567 (or 5565 counting only the distinct ones).
The product of its (nonzero) digits is 5419008, while the sum is 57.
The square root of 2026987788 is about 45022.0811158258. The cubic root of 2026987788 is about 1265.5628293216.
The spelling of 2026987788 in words is "two billion, twenty-six million, nine hundred eighty-seven thousand, seven hundred eighty-eight".
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