Search a number
-
+
158471011 is a prime number
BaseRepresentation
bin10010111001000…
…01001101100011
3102001012011100201
421130201031203
5311032033021
623420330031
73632660416
oct1134411543
9361164321
10158471011
11814a8686
12450a3917
1326aa683a
1417091b7d
15dda4591
hex9721363

158471011 has 2 divisors, whose sum is σ = 158471012. Its totient is φ = 158471010.

The previous prime is 158471009. The next prime is 158471017. The reversal of 158471011 is 110174851.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 158471011 - 21 = 158471009 is a prime.

It is a super-2 number, since 2×1584710112 = 50226122654724242, which contains 22 as substring.

Together with 158471009, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (158471017) 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, 79235505 + 79235506.

It is an arithmetic number, because the mean of its divisors is an integer number (79235506).

Almost surely, 2158471011 is an apocalyptic number.

158471011 is a deficient number, since it is larger than the sum of its proper divisors (1).

158471011 is an equidigital number, since it uses as much as digits as its factorization.

158471011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 28.

The square root of 158471011 is about 12588.5269591005. The cubic root of 158471011 is about 541.1486876103.

The spelling of 158471011 in words is "one hundred fifty-eight million, four hundred seventy-one thousand, eleven".