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2285129975 = 5291405199
BaseRepresentation
bin1000100000110100…
…0101000011110111
312220020212122000112
42020031011003313
514134443124400
61014430133235
7110425166342
oct21015050367
95806778015
102285129975
11a72994a77
1253935121b
132a5569a1b
141796bb459
15d5935835
hex883450f7

2285129975 has 6 divisors (see below), whose sum is σ = 2833561200. Its totient is φ = 1828103960.

The previous prime is 2285129969. The next prime is 2285129993. The reversal of 2285129975 is 5799215822.

It is a happy number.

It is not a de Polignac number, because 2285129975 - 26 = 2285129911 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45702575 + ... + 45702624.

It is an arithmetic number, because the mean of its divisors is an integer number (472260200).

Almost surely, 22285129975 is an apocalyptic number.

2285129975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2285129975 is a deficient number, since it is larger than the sum of its proper divisors (548431225).

2285129975 is an equidigital number, since it uses as much as digits as its factorization.

2285129975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91405209 (or 91405204 counting only the distinct ones).

The product of its digits is 907200, while the sum is 50.

The square root of 2285129975 is about 47803.0331150650. The cubic root of 2285129975 is about 1317.1552554788.

The spelling of 2285129975 in words is "two billion, two hundred eighty-five million, one hundred twenty-nine thousand, nine hundred seventy-five".

Divisors: 1 5 25 91405199 457025995 2285129975