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1142130061 is a prime number
BaseRepresentation
bin100010000010011…
…1000010110001101
32221121010012220101
41010010320112031
54314341130221
6305155451101
740205642152
oct10404702615
92847105811
101142130061
11536780246
1227a5b6a91
13152811c07
14ab988229
156a408d91
hex4413858d

1142130061 has 2 divisors, whose sum is σ = 1142130062. Its totient is φ = 1142130060.

The previous prime is 1142130043. The next prime is 1142130131. The reversal of 1142130061 is 1600312411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1114892100 + 27237961 = 33390^2 + 5219^2 .

It is a cyclic number.

It is not a de Polignac number, because 1142130061 - 217 = 1141998989 is a prime.

It is a super-2 number, since 2×11421300612 = 2608922152479727442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142130161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571065030 + 571065031.

It is an arithmetic number, because the mean of its divisors is an integer number (571065031).

Almost surely, 21142130061 is an apocalyptic number.

It is an amenable number.

1142130061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142130061 is an equidigital number, since it uses as much as digits as its factorization.

1142130061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1142130061 is about 33795.4147925425. The cubic root of 1142130061 is about 1045.2941522148.

Adding to 1142130061 its reverse (1600312411), we get a palindrome (2742442472).

The spelling of 1142130061 in words is "one billion, one hundred forty-two million, one hundred thirty thousand, sixty-one".