Search a number
-
+
2148081146 = 21318198783
BaseRepresentation
bin1000000000001001…
…0001110111111010
312112200222211100222
42000002101313322
513344402044041
6553052500042
7104142250151
oct20002216772
95480884328
102148081146
11a02599182
124bb47a622
13283053a43
14165404598
15c88b374b
hex80091dfa

2148081146 has 8 divisors (see below), whose sum is σ = 3246718464. Its totient is φ = 1065841660.

The previous prime is 2148081097. The next prime is 2148081151. The reversal of 2148081146 is 6411808412.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21480811462 = 9228505219601346632, 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, 4099130 + ... + 4099653.

It is an arithmetic number, because the mean of its divisors is an integer number (405839808).

Almost surely, 22148081146 is an apocalyptic number.

2148081146 is a deficient number, since it is larger than the sum of its proper divisors (1098637318).

2148081146 is a wasteful number, since it uses less digits than its factorization.

2148081146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8198916.

The product of its (nonzero) digits is 12288, while the sum is 35.

The square root of 2148081146 is about 46347.3963238497. The cubic root of 2148081146 is about 1290.2787983833.

Adding to 2148081146 its reverse (6411808412), we get a palindrome (8559889558).

The spelling of 2148081146 in words is "two billion, one hundred forty-eight million, eighty-one thousand, one hundred forty-six".

Divisors: 1 2 131 262 8198783 16397566 1074040573 2148081146