Search a number
-
+
995781133 is a prime number
BaseRepresentation
bin111011010110100…
…110101000001101
32120101201220220201
4323112212220031
54014404444013
6242451013501
733450666664
oct7326465015
92511656821
10995781133
11471102116
1223959a291
1312b3c0b09
149636dddb
155c64b3dd
hex3b5a6a0d

995781133 has 2 divisors, whose sum is σ = 995781134. Its totient is φ = 995781132.

The previous prime is 995781121. The next prime is 995781139. The reversal of 995781133 is 331187599.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 889649929 + 106131204 = 29827^2 + 10302^2 .

It is an emirp because it is prime and its reverse (331187599) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 995781133 - 221 = 993683981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (995781139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497890566 + 497890567.

It is an arithmetic number, because the mean of its divisors is an integer number (497890567).

Almost surely, 2995781133 is an apocalyptic number.

It is an amenable number.

995781133 is a deficient number, since it is larger than the sum of its proper divisors (1).

995781133 is an equidigital number, since it uses as much as digits as its factorization.

995781133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 204120, while the sum is 46.

The square root of 995781133 is about 31555.9999524655. Note that the first 4 decimals coincide. The cubic root of 995781133 is about 998.5917287029.

The spelling of 995781133 in words is "nine hundred ninety-five million, seven hundred eighty-one thousand, one hundred thirty-three".