Search a number
-
+
2120142244 = 221148185051
BaseRepresentation
bin111111001011110…
…1100110110100100
312110202102101101211
41332113230312210
513320224022434
6550214001204
7103352624503
oct17627546644
95422371354
102120142244
11998846280
124b2046204
1327a320c4c
1416181083a
15c61e5464
hex7e5ecda4

2120142244 has 12 divisors (see below), whose sum is σ = 4047544368. Its totient is φ = 963701000.

The previous prime is 2120142229. The next prime is 2120142251. The reversal of 2120142244 is 4422410212.

It is a Harshad number since it is a multiple of its sum of digits (22).

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 3 ways as a sum of consecutive naturals, for example, 24092482 + ... + 24092569.

It is an arithmetic number, because the mean of its divisors is an integer number (337295364).

Almost surely, 22120142244 is an apocalyptic number.

It is an amenable number.

2120142244 is a deficient number, since it is larger than the sum of its proper divisors (1927402124).

2120142244 is a wasteful number, since it uses less digits than its factorization.

2120142244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48185066 (or 48185064 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 2120142244 is about 46045.0023781083. The cubic root of 2120142244 is about 1284.6603883821.

Adding to 2120142244 its reverse (4422410212), we get a palindrome (6542552456).

The spelling of 2120142244 in words is "two billion, one hundred twenty million, one hundred forty-two thousand, two hundred forty-four".

Divisors: 1 2 4 11 22 44 48185051 96370102 192740204 530035561 1060071122 2120142244