Search a number
-
+
150782068181 is a prime number
BaseRepresentation
bin1000110001101101001…
…1111100010111010101
3112102012021001200201202
42030123103330113111
54432300202140211
6153133543002245
713615343301263
oct2143323742725
9472167050652
10150782068181
1158a45601598
1225280739385
13112ac5c43b4
1474255ad433
153dc75b353b
hex231b4fc5d5

150782068181 has 2 divisors, whose sum is σ = 150782068182. Its totient is φ = 150782068180.

The previous prime is 150782068051. The next prime is 150782068183. The reversal of 150782068181 is 181860287051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137202827281 + 13579240900 = 370409^2 + 116530^2 .

It is a cyclic number.

It is not a de Polignac number, because 150782068181 - 210 = 150782067157 is a prime.

It is a super-2 number, since 2×1507820681812 (a number of 23 digits) contains 22 as substring.

Together with 150782068183, 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 (150782068183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75391034090 + 75391034091.

It is an arithmetic number, because the mean of its divisors is an integer number (75391034091).

Almost surely, 2150782068181 is an apocalyptic number.

It is an amenable number.

150782068181 is a deficient number, since it is larger than the sum of its proper divisors (1).

150782068181 is an equidigital number, since it uses as much as digits as its factorization.

150782068181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 215040, while the sum is 47.

The spelling of 150782068181 in words is "one hundred fifty billion, seven hundred eighty-two million, sixty-eight thousand, one hundred eighty-one".