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2230670780 = 225138579503
BaseRepresentation
bin1000010011110101…
…0101010110111100
312202110101211001022
42010331111112330
514032022431110
61005203003312
7106164250232
oct20475252674
95673354038
102230670780
11a45178a78
12523069538
132971aca50
14172382952
15d0c79755
hex84f555bc

2230670780 has 24 divisors (see below), whose sum is σ = 5044748352. Its totient is φ = 823632192.

The previous prime is 2230670779. The next prime is 2230670789. The reversal of 2230670780 is 870760322.

It is a self number, because there is not a number n which added to its sum of digits gives 2230670780.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2230670789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4289492 + ... + 4290011.

It is an arithmetic number, because the mean of its divisors is an integer number (210197848).

Almost surely, 22230670780 is an apocalyptic number.

2230670780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2230670780 is an abundant number, since it is smaller than the sum of its proper divisors (2814077572).

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

2230670780 is a wasteful number, since it uses less digits than its factorization.

2230670780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8579525 (or 8579523 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 2230670780 is about 47229.9775566324. The cubic root of 2230670780 is about 1306.6075383085.

The spelling of 2230670780 in words is "two billion, two hundred thirty million, six hundred seventy thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 8579503 17159006 34318012 42897515 85795030 111533539 171590060 223067078 446134156 557667695 1115335390 2230670780