Search a number
-
+
2141540182 = 21070770091
BaseRepresentation
bin111111110100101…
…0100111101010110
312112020200111212001
41333221110331112
513341213241212
6552300345514
7104032535245
oct17751247526
95466614761
102141540182
119a9930921
124b924529a
132818a3752
141645c095c
15c8020657
hex7fa54f56

2141540182 has 4 divisors (see below), whose sum is σ = 3212310276. Its totient is φ = 1070770090.

The previous prime is 2141540153. The next prime is 2141540183. The reversal of 2141540182 is 2810451412.

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

It is a super-2 number, since 2×21415401822 = 9172388702241186248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2141540182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141540183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535385044 + ... + 535385047.

It is an arithmetic number, because the mean of its divisors is an integer number (803077569).

Almost surely, 22141540182 is an apocalyptic number.

2141540182 is a deficient number, since it is larger than the sum of its proper divisors (1070770094).

2141540182 is a wasteful number, since it uses less digits than its factorization.

2141540182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070770093.

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 2141540182 is about 46276.7779993379. Note that the first 3 decimals coincide. The cubic root of 2141540182 is about 1288.9678224543.

Adding to 2141540182 its reverse (2810451412), we get a palindrome (4951991594).

The spelling of 2141540182 in words is "two billion, one hundred forty-one million, five hundred forty thousand, one hundred eighty-two".

Divisors: 1 2 1070770091 2141540182