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2857143146 = 2111310198911
BaseRepresentation
bin1010101001001100…
…1000101101101010
321101010012220120112
42222103020231222
521322412040041
61151302254322
7130542213254
oct25223105552
97333186515
102857143146
111236867a30
12678a273a2
13366c16a60
141d165acd4
1511ac75deb
hexaa4c8b6a

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".

Divisors: 1 2 11 13 22 26 101 143 202 286 1111 1313 2222 2626 14443 28886 98911 197822 1088021 1285843 2176042 2571686 9990011 14144273 19980022 28288546 109890121 129870143 219780242 259740286 1428571573 2857143146