Search a number
-
+
151289081 is a prime number
BaseRepresentation
bin10010000010001…
…11110011111001
3101112200021121022
421001013303321
5302212222311
623002352225
73514636016
oct1101076371
9345607538
10151289081
11784427a9
12427bb675
1325460888
141614270d
15d4365db
hex9047cf9

151289081 has 2 divisors, whose sum is σ = 151289082. Its totient is φ = 151289080.

The previous prime is 151289059. The next prime is 151289107. The reversal of 151289081 is 180982151.

151289081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148449856 + 2839225 = 12184^2 + 1685^2 .

It is a cyclic number.

It is not a de Polignac number, because 151289081 - 218 = 151026937 is a prime.

It is a super-2 number, since 2×1512890812 = 45776772059649122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (151283081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75644540 + 75644541.

It is an arithmetic number, because the mean of its divisors is an integer number (75644541).

Almost surely, 2151289081 is an apocalyptic number.

It is an amenable number.

151289081 is a deficient number, since it is larger than the sum of its proper divisors (1).

151289081 is an equidigital number, since it uses as much as digits as its factorization.

151289081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 35.

The square root of 151289081 is about 12299.9626422197. The cubic root of 151289081 is about 532.8470040193.

The spelling of 151289081 in words is "one hundred fifty-one million, two hundred eighty-nine thousand, eighty-one".