[go: up one dir, main page]

Search a number
-
+
2144331412 = 221935978593
BaseRepresentation
bin111111111001111…
…1110011010010100
312112102221022200221
41333303332122110
513342422101122
6552440244124
7104065342036
oct17763763224
95472838627
102144331412
11a00467a23
124ba170644
13282340072
14164b09c56
15c83c26c7
hex7fcfe694

2144331412 has 24 divisors (see below), whose sum is σ = 3961137600. Its totient is φ = 1012893696.

The previous prime is 2144331391. The next prime is 2144331433. The reversal of 2144331412 is 2141334412.

It is an interprime number because it is at equal distance from previous prime (2144331391) and next prime (2144331433).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12013 + ... + 66580.

It is an arithmetic number, because the mean of its divisors is an integer number (165047400).

Almost surely, 22144331412 is an apocalyptic number.

It is an amenable number.

2144331412 is a deficient number, since it is larger than the sum of its proper divisors (1816806188).

2144331412 is a wasteful number, since it uses less digits than its factorization.

2144331412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78975 (or 78973 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 2144331412 is about 46306.9261774089. The cubic root of 2144331412 is about 1289.5275821574.

Adding to 2144331412 its reverse (2141334412), we get a palindrome (4285665824).

The spelling of 2144331412 in words is "two billion, one hundred forty-four million, three hundred thirty-one thousand, four hundred twelve".

Divisors: 1 2 4 19 38 76 359 718 1436 6821 13642 27284 78593 157186 314372 1493267 2986534 5973068 28214887 56429774 112859548 536082853 1072165706 2144331412