Search a number
-
+
2611163420 = 225130558171
BaseRepresentation
bin1001101110100011…
…0011000100011100
320201222100211211022
42123220303010130
520321424212140
61111034143312
7121464344225
oct23350630434
96658324738
102611163420
11111aa2a7a8
1260a581b38
13327c81218
141aab0a24c
151043880b5
hex9ba3311c

2611163420 has 12 divisors (see below), whose sum is σ = 5483443224. Its totient is φ = 1044465360.

The previous prime is 2611163417. The next prime is 2611163431. The reversal of 2611163420 is 243611162.

It is a self number, because there is not a number n which added to its sum of digits gives 2611163420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65279066 + ... + 65279105.

It is an arithmetic number, because the mean of its divisors is an integer number (456953602).

Almost surely, 22611163420 is an apocalyptic number.

2611163420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2611163420 is an abundant number, since it is smaller than the sum of its proper divisors (2872279804).

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

2611163420 is a wasteful number, since it uses less digits than its factorization.

2611163420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130558180 (or 130558178 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 2611163420 is about 51099.5442249733. The cubic root of 2611163420 is about 1377.0340662838.

Adding to 2611163420 its reverse (243611162), we get a palindrome (2854774582).

The spelling of 2611163420 in words is "two billion, six hundred eleven million, one hundred sixty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 130558171 261116342 522232684 652790855 1305581710 2611163420