Search a number
-
+
2142224554 = 223149312551
BaseRepresentation
bin111111110101111…
…1100000010101010
312112021222021122011
41333223330002222
513341402141204
6552323150134
7104041415431
oct17753740252
95467867564
102142224554
119aa259018
124b951534a
13281a830c2
1416471c118
15c8108304
hex7fafc0aa

2142224554 has 16 divisors (see below), whose sum is σ = 3375561600. Its totient is φ = 1017662800.

The previous prime is 2142224503. The next prime is 2142224561. The reversal of 2142224554 is 4554222412.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149422 + ... + 163129.

It is an arithmetic number, because the mean of its divisors is an integer number (210972600).

Almost surely, 22142224554 is an apocalyptic number.

2142224554 is a deficient number, since it is larger than the sum of its proper divisors (1233337046).

2142224554 is a wasteful number, since it uses less digits than its factorization.

2142224554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312725.

The product of its digits is 25600, while the sum is 31.

The square root of 2142224554 is about 46284.1717436966. The cubic root of 2142224554 is about 1289.1051129805.

Adding to 2142224554 its reverse (4554222412), we get a palindrome (6696446966).

The spelling of 2142224554 in words is "two billion, one hundred forty-two million, two hundred twenty-four thousand, five hundred fifty-four".

Divisors: 1 2 23 46 149 298 3427 6854 312551 625102 7188673 14377346 46570099 93140198 1071112277 2142224554