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2130146556 = 2234325716063
BaseRepresentation
bin111111011110111…
…0111010011111100
312111110020122201220
41332331313103330
513330304142211
6551212233340
7103533642546
oct17675672374
95443218656
102130146556
119a34596aa
124b546b850
1327c414765
14162c96696
15c701e806
hex7ef774fc

2130146556 has 48 divisors (see below), whose sum is σ = 5106038784. Its totient is φ = 690794496.

The previous prime is 2130146521. The next prime is 2130146567. The reversal of 2130146556 is 6556410312.

It is a super-2 number, since 2×21301465562 = 9075048700077322272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124581 + ... + 140643.

It is an arithmetic number, because the mean of its divisors is an integer number (106375808).

Almost surely, 22130146556 is an apocalyptic number.

It is an amenable number.

2130146556 is an abundant number, since it is smaller than the sum of its proper divisors (2975892228).

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

2130146556 is a wasteful number, since it uses less digits than its factorization.

2130146556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16370 (or 16368 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 2130146556 is about 46153.5107657045. The cubic root of 2130146556 is about 1286.6778600987.

Adding to 2130146556 its reverse (6556410312), we get a palindrome (8686556868).

The spelling of 2130146556 in words is "two billion, one hundred thirty million, one hundred forty-six thousand, five hundred fifty-six".

Divisors: 1 2 3 4 6 12 43 86 129 172 257 258 514 516 771 1028 1542 3084 11051 16063 22102 32126 33153 44204 48189 64252 66306 96378 132612 192756 690709 1381418 2072127 2762836 4128191 4144254 8256382 8288508 12384573 16512764 24769146 49538292 177512213 355024426 532536639 710048852 1065073278 2130146556