Search a number
-
+
1142827319 is a prime number
BaseRepresentation
bin100010000011110…
…0010100100110111
32221122102122100202
41010013202210313
54320030433234
6305222431115
740214605034
oct10407424467
92848378322
101142827319
11537107097
1227a89249b
131529c73aa
14abaca38b
156a4e577e
hex441e2937

1142827319 has 2 divisors, whose sum is σ = 1142827320. Its totient is φ = 1142827318.

The previous prime is 1142827271. The next prime is 1142827321. The reversal of 1142827319 is 9137282411.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1142827319 - 212 = 1142823223 is a prime.

It is a super-2 number, since 2×11428273192 = 2612108562105455522, which contains 22 as substring.

Together with 1142827321, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142827339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571413659 + 571413660.

It is an arithmetic number, because the mean of its divisors is an integer number (571413660).

Almost surely, 21142827319 is an apocalyptic number.

1142827319 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142827319 is an equidigital number, since it uses as much as digits as its factorization.

1142827319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 38.

The square root of 1142827319 is about 33805.7290854672. The cubic root of 1142827319 is about 1045.5068225194.

The spelling of 1142827319 in words is "one billion, one hundred forty-two million, eight hundred twenty-seven thousand, three hundred nineteen".