Base | Representation |
---|---|
bin | 1010100011000000… |
… | …0000000000000000 |
3 | 21022022022120211000 |
4 | 2220300000000000 |
5 | 21244233431300 |
6 | 1144533252000 |
7 | 130105264536 |
oct | 25060000000 |
9 | 7268276730 |
10 | 2831155200 |
11 | 1223127895 |
12 | 670194000 |
13 | 361717c83 |
14 | 1cc014156 |
15 | 118840c00 |
hex | a8c00000 |
2831155200 has 276 divisors, whose sum is σ = 10401872680. Its totient is φ = 754974720.
The previous prime is 2831155193. The next prime is 2831155267. The reversal of 2831155200 is 25511382.
It is a happy number.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It is a Jordan-Polya number, since it can be written as 6! ⋅ 5! ⋅ (2!)15.
2831155200 is a `hidden beast` number, since 28 + 3 + 115 + 520 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 566231038 + ... + 566231042.
Almost surely, 22831155200 is an apocalyptic number.
2831155200 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 2831155200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5200936340).
2831155200 is an abundant number, since it is smaller than the sum of its proper divisors (7570717480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2831155200 is an frugal number, since it uses more digits than its factorization.
2831155200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63 (or 10 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 27.
The square root of 2831155200 is about 53208.6008085159. The cubic root of 2831155200 is about 1414.6680954779.
Multiplying 2831155200 by its sum of digits (27), we get a square (76441190400 = 2764802).
2831155200 divided by its sum of digits (27) gives a square (104857600 = 102402).
Adding to 2831155200 its reverse (25511382), we get a palindrome (2856666582).
The spelling of 2831155200 in words is "two billion, eight hundred thirty-one million, one hundred fifty-five thousand, two hundred".
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