Search a number
-
+
2141131429 = 3757868417
BaseRepresentation
bin111111110011111…
…0001001010100101
312112012220202011001
41333213301022211
513341112201204
6552243513301
7104026213453
oct17747611245
95465822131
102141131429
119a9681808
124b9088831
1328178c698
141645159d3
15c7e8e4a4
hex7f9f12a5

2141131429 has 4 divisors (see below), whose sum is σ = 2198999884. Its totient is φ = 2083262976.

The previous prime is 2141131411. The next prime is 2141131441. The reversal of 2141131429 is 9241311412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 945562500 + 1195568929 = 30750^2 + 34577^2 .

It is a cyclic number.

It is not a de Polignac number, because 2141131429 - 217 = 2141000357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2141131397 and 2141131406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141131469) by changing a digit.

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, 28934172 + ... + 28934245.

It is an arithmetic number, because the mean of its divisors is an integer number (549749971).

Almost surely, 22141131429 is an apocalyptic number.

It is an amenable number.

2141131429 is a deficient number, since it is larger than the sum of its proper divisors (57868455).

2141131429 is an equidigital number, since it uses as much as digits as its factorization.

2141131429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57868454.

The product of its digits is 1728, while the sum is 28.

The square root of 2141131429 is about 46272.3613942492. The cubic root of 2141131429 is about 1288.8858093634.

The spelling of 2141131429 in words is "two billion, one hundred forty-one million, one hundred thirty-one thousand, four hundred twenty-nine".

Divisors: 1 37 57868417 2141131429