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2280055023 = 322947185869
BaseRepresentation
bin1000011111100110…
…1110000011101111
312212220022210111100
42013321232003233
514132143230043
61014125254143
7110334101511
oct20771560357
95786283440
102280055023
11a700390a4
12537704353
132a44b0aac
14178b59bb1
15d5281cd3
hex87e6e0ef

2280055023 has 24 divisors (see below), whose sum is σ = 3479486400. Its totient is φ = 1436387904.

The previous prime is 2280054979. The next prime is 2280055049. The reversal of 2280055023 is 3205500822.

It is not a de Polignac number, because 2280055023 - 214 = 2280038639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2280055523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80668 + ... + 105201.

It is an arithmetic number, because the mean of its divisors is an integer number (144978600).

Almost surely, 22280055023 is an apocalyptic number.

2280055023 is a deficient number, since it is larger than the sum of its proper divisors (1199431377).

2280055023 is a wasteful number, since it uses less digits than its factorization.

2280055023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185951 (or 185948 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 2280055023 is about 47749.9217067421. The cubic root of 2280055023 is about 1316.1794606181.

Adding to 2280055023 its reverse (3205500822), we get a palindrome (5485555845).

The spelling of 2280055023 in words is "two billion, two hundred eighty million, fifty-five thousand, twenty-three".

Divisors: 1 3 9 29 47 87 141 261 423 1363 4089 12267 185869 557607 1672821 5390201 8735843 16170603 26207529 48511809 78622587 253339447 760018341 2280055023