Search a number
-
+
20100132179 is a prime number
BaseRepresentation
bin10010101110000011…
…111010110101010011
31220212210221111202222
4102232003322311103
5312131113212204
613122303331255
71311046206311
oct225603726523
956783844688
1020100132179
118585000896
123a8b5b0b2b
131b8436664a
14d8970d0b1
157c9949abe
hex4ae0fad53

20100132179 has 2 divisors, whose sum is σ = 20100132180. Its totient is φ = 20100132178.

The previous prime is 20100132127. The next prime is 20100132209. The reversal of 20100132179 is 97123100102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20100132179 - 228 = 19831696723 is a prime.

It is a super-2 number, since 2×201001321792 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20100132379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10050066089 + 10050066090.

It is an arithmetic number, because the mean of its divisors is an integer number (10050066090).

Almost surely, 220100132179 is an apocalyptic number.

20100132179 is a deficient number, since it is larger than the sum of its proper divisors (1).

20100132179 is an equidigital number, since it uses as much as digits as its factorization.

20100132179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 26.

The spelling of 20100132179 in words is "twenty billion, one hundred million, one hundred thirty-two thousand, one hundred seventy-nine".