Search a number
-
+
119321281 is a prime number
BaseRepresentation
bin1110001110010…
…11001011000001
322022112011000201
413013023023001
5221021240111
615501245201
72646133312
oct707131301
9268464021
10119321281
1161398932
1233b63801
131b94a011
1411bc0609
15a71e6c1
hex71cb2c1

119321281 has 2 divisors, whose sum is σ = 119321282. Its totient is φ = 119321280.

The previous prime is 119321233. The next prime is 119321303. The reversal of 119321281 is 182123911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63744256 + 55577025 = 7984^2 + 7455^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-119321281 is a prime.

It is a super-2 number, since 2×1193212812 = 28475136198961922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (119321231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59660640 + 59660641.

It is an arithmetic number, because the mean of its divisors is an integer number (59660641).

Almost surely, 2119321281 is an apocalyptic number.

It is an amenable number.

119321281 is a deficient number, since it is larger than the sum of its proper divisors (1).

119321281 is an equidigital number, since it uses as much as digits as its factorization.

119321281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 28.

The square root of 119321281 is about 10923.4280791334. The cubic root of 119321281 is about 492.3107311242.

The spelling of 119321281 in words is "one hundred nineteen million, three hundred twenty-one thousand, two hundred eighty-one".