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2065081360 = 24525813517
BaseRepresentation
bin111101100010110…
…1010010000010000
312022220211000001211
41323011222100100
513212130100420
6540525505504
7102113621236
oct17305522020
95286730054
102065081360
1196a759211
12497712294
1326bab3144
1415839a956
15c146ae5a
hex7b16a410

2065081360 has 20 divisors (see below), whose sum is σ = 4801314348. Its totient is φ = 826032512.

The previous prime is 2065081357. The next prime is 2065081457. The reversal of 2065081360 is 631805602.

It can be written as a sum of positive squares in 2 ways, for example, as 215737344 + 1849344016 = 14688^2 + 43004^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×20650813602 = 8529122046838899200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12906679 + ... + 12906838.

Almost surely, 22065081360 is an apocalyptic number.

2065081360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2065081360 is an abundant number, since it is smaller than the sum of its proper divisors (2736232988).

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

2065081360 is a wasteful number, since it uses less digits than its factorization.

2065081360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25813530 (or 25813524 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 2065081360 is about 45443.1662629267. The cubic root of 2065081360 is about 1273.4416660538.

Adding to 2065081360 its reverse (631805602), we get a palindrome (2696886962).

The spelling of 2065081360 in words is "two billion, sixty-five million, eighty-one thousand, three hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 25813517 51627034 103254068 129067585 206508136 258135170 413016272 516270340 1032540680 2065081360