Search a number
-
+
2140231122 = 232118901729
BaseRepresentation
bin111111110010001…
…0101010111010010
312112011020000011100
41333210111113102
513340344343442
6552212325230
7104015443611
oct17744252722
95464200140
102140231122
119a9117357
124b8913816
13281535963
1416435d878
15c7d6284c
hex7f9155d2

2140231122 has 12 divisors (see below), whose sum is σ = 4637167470. Its totient is φ = 713410368.

The previous prime is 2140231097. The next prime is 2140231139. The reversal of 2140231122 is 2211320412.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1157972841 + 982258281 = 34029^2 + 31341^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 118901729 = 2140231122 / (2 + 1 + 4 + 0 + 2 + 3 + 1 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 2140231095 and 2140231104.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59450847 + ... + 59450882.

Almost surely, 22140231122 is an apocalyptic number.

2140231122 is an abundant number, since it is smaller than the sum of its proper divisors (2496936348).

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

2140231122 is a wasteful number, since it uses less digits than its factorization.

2140231122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118901737 (or 118901734 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2140231122 is about 46262.6320262909. The cubic root of 2140231122 is about 1288.7051329883.

Adding to 2140231122 its reverse (2211320412), we get a palindrome (4351551534).

The spelling of 2140231122 in words is "two billion, one hundred forty million, two hundred thirty-one thousand, one hundred twenty-two".

Divisors: 1 2 3 6 9 18 118901729 237803458 356705187 713410374 1070115561 2140231122