Base | Representation |
---|---|
bin | 1010101001001100… |
… | …1000101101101010 |
3 | 21101010012220120112 |
4 | 2222103020231222 |
5 | 21322412040041 |
6 | 1151302254322 |
7 | 130542213254 |
oct | 25223105552 |
9 | 7333186515 |
10 | 2857143146 |
11 | 1236867a30 |
12 | 678a273a2 |
13 | 366c16a60 |
14 | 1d165acd4 |
15 | 11ac75deb |
hex | aa4c8b6a |
2857143146 has 32 divisors (see below), whose sum is σ = 5084868096. Its totient is φ = 1186920000.
The previous prime is 2857143103. The next prime is 2857143187. The reversal of 2857143146 is 6413417582.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20570 + ... + 78341.
It is an arithmetic number, because the mean of its divisors is an integer number (158902128).
Almost surely, 22857143146 is an apocalyptic number.
2857143146 is a gapful number since it is divisible by the number (26) formed by its first and last digit.
2857143146 is a deficient number, since it is larger than the sum of its proper divisors (2227724950).
2857143146 is a wasteful number, since it uses less digits than its factorization.
2857143146 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 99038.
The product of its digits is 161280, while the sum is 41.
The square root of 2857143146 is about 53452.2510844960. The cubic root of 2857143146 is about 1418.9834597901.
It can be divided in two parts, 28571 and 43146, that added together give a palindrome (71717).
The spelling of 2857143146 in words is "two billion, eight hundred fifty-seven million, one hundred forty-three thousand, one hundred forty-six".
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