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1285286196 = 223107107183
BaseRepresentation
bin100110010011011…
…1110100100110100
310022120111022012110
41030212332210310
510113013124241
6331312051020
743564516035
oct11446764464
93276438173
101285286196
115aa5685a7
122ba533a70
1317638599c
14c29b0a8c
1577c85816
hex4c9be934

1285286196 has 12 divisors (see below), whose sum is σ = 2999001152. Its totient is φ = 428428728.

The previous prime is 1285286159. The next prime is 1285286213. The reversal of 1285286196 is 6916825821.

1285286196 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

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, 53553580 + ... + 53553603.

Almost surely, 21285286196 is an apocalyptic number.

It is an amenable number.

1285286196 is an abundant number, since it is smaller than the sum of its proper divisors (1713714956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1285286196 is a wasteful number, since it uses less digits than its factorization.

1285286196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107107190 (or 107107188 counting only the distinct ones).

The product of its digits is 414720, while the sum is 48.

The square root of 1285286196 is about 35850.8883571942. Note that the first 3 decimals coincide. The cubic root of 1285286196 is about 1087.2596753664.

The spelling of 1285286196 in words is "one billion, two hundred eighty-five million, two hundred eighty-six thousand, one hundred ninety-six".

Divisors: 1 2 3 4 6 12 107107183 214214366 321321549 428428732 642643098 1285286196