Base | Representation |
---|---|
bin | 1010011100000100… |
… | …1100011001110100 |
3 | 21020021122211120112 |
4 | 2213001030121310 |
5 | 21214314424040 |
6 | 1142014522152 |
7 | 126303345065 |
oct | 24701143164 |
9 | 7207584515 |
10 | 2802108020 |
11 | 1208798258 |
12 | 662506358 |
13 | 3586b78aa |
14 | 1c821256c |
15 | 116004365 |
hex | a704c674 |
2802108020 has 12 divisors (see below), whose sum is σ = 5884426884. Its totient is φ = 1120843200.
The previous prime is 2802107983. The next prime is 2802108037. The reversal of 2802108020 is 208012082.
It can be written as a sum of positive squares in 2 ways, for example, as 1325396836 + 1476711184 = 36406^2 + 38428^2 .
It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70052681 + ... + 70052720.
It is an arithmetic number, because the mean of its divisors is an integer number (490368907).
Almost surely, 22802108020 is an apocalyptic number.
2802108020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2802108020 is an abundant number, since it is smaller than the sum of its proper divisors (3082318864).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2802108020 is a wasteful number, since it uses less digits than its factorization.
2802108020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 140105410 (or 140105408 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 23.
The square root of 2802108020 is about 52934.9413903520. The cubic root of 2802108020 is about 1409.8133683198.
The spelling of 2802108020 in words is "two billion, eight hundred two million, one hundred eight thousand, twenty".
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