Search a number
-
+
1342540211 = 2143626477
BaseRepresentation
bin101000000000101…
…1000100110110011
310110120020002221112
41100001120212303
510222142241321
6341115143535
745161255255
oct12001304663
93416202845
101342540211
11629913371
12315744bab
131851b0abc
14ca435cd5
157cce4a5b
hex500589b3

1342540211 has 4 divisors (see below), whose sum is σ = 1343168832. Its totient is φ = 1341911592.

The previous prime is 1342540187. The next prime is 1342540217. The reversal of 1342540211 is 1120452431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1120452431 = 7160064633.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1342540211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1342540217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311096 + ... + 315381.

It is an arithmetic number, because the mean of its divisors is an integer number (335792208).

Almost surely, 21342540211 is an apocalyptic number.

1342540211 is a deficient number, since it is larger than the sum of its proper divisors (628621).

1342540211 is an equidigital number, since it uses as much as digits as its factorization.

1342540211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628620.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1342540211 is about 36640.6906457834. The cubic root of 1342540211 is about 1103.1699774785.

Adding to 1342540211 its reverse (1120452431), we get a palindrome (2462992642).

The spelling of 1342540211 in words is "one billion, three hundred forty-two million, five hundred forty thousand, two hundred eleven".

Divisors: 1 2143 626477 1342540211