Search a number
-
+
2142011142 = 23414339227
BaseRepresentation
bin111111110101100…
…0111111100000110
312112021120102220000
41333223013330012
513341323324032
6552314422130
7104036536305
oct17753077406
95467512800
102142011142
119aa122747
124b9431946
13281a09c1b
141646a443c
15c80b4e7c
hex7fac7f06

2142011142 has 40 divisors (see below), whose sum is σ = 4803561576. Its totient is φ = 713428128.

The previous prime is 2142011099. The next prime is 2142011213. The reversal of 2142011142 is 2411102412.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 227533 + ... + 236759.

Almost surely, 22142011142 is an apocalyptic number.

2142011142 is an abundant number, since it is smaller than the sum of its proper divisors (2661550434).

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

2142011142 is a wasteful number, since it uses less digits than its factorization.

2142011142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10674 (or 10665 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 2142011142 is about 46281.8662328995. The cubic root of 2142011142 is about 1289.0623039550.

Adding to 2142011142 its reverse (2411102412), we get a palindrome (4553113554).

The spelling of 2142011142 in words is "two billion, one hundred forty-two million, eleven thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 81 162 1433 2866 4299 8598 9227 12897 18454 25794 27681 38691 55362 77382 83043 116073 166086 232146 249129 498258 747387 1494774 13222291 26444582 39666873 79333746 119000619 238001238 357001857 714003714 1071005571 2142011142