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2280929871 = 31169119087
BaseRepresentation
bin1000011111110100…
…0011101001001111
312212221222020120010
42013331003221033
514132404223441
61014200124303
7110344404213
oct20775035117
95787866503
102280929871
11a70586410
12537a66693
132a472905c
14178d06943
15d53a6116
hex87f43a4f

2280929871 has 8 divisors (see below), whose sum is σ = 3317716224. Its totient is φ = 1382381720.

The previous prime is 2280929869. The next prime is 2280929929. The reversal of 2280929871 is 1789290822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2280929871 - 21 = 2280929869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2280929871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2280929821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34559511 + ... + 34559576.

It is an arithmetic number, because the mean of its divisors is an integer number (414714528).

Almost surely, 22280929871 is an apocalyptic number.

2280929871 is a deficient number, since it is larger than the sum of its proper divisors (1036786353).

2280929871 is a wasteful number, since it uses less digits than its factorization.

2280929871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69119101.

The product of its (nonzero) digits is 290304, while the sum is 48.

The square root of 2280929871 is about 47759.0815552393. The cubic root of 2280929871 is about 1316.3477766921.

The spelling of 2280929871 in words is "two billion, two hundred eighty million, nine hundred twenty-nine thousand, eight hundred seventy-one".

Divisors: 1 3 11 33 69119087 207357261 760309957 2280929871