Search a number
-
+
2010121187 is a prime number
BaseRepresentation
bin111011111010000…
…0000001111100011
312012002101201212212
41313310000033203
513104042334222
6531243512335
7100545514424
oct16764001743
95162351785
102010121187
1194172a888
124812286ab
132605ac129
14150d7164b
15bb7116e2
hex77d003e3

2010121187 has 2 divisors, whose sum is σ = 2010121188. Its totient is φ = 2010121186.

The previous prime is 2010121177. The next prime is 2010121213. The reversal of 2010121187 is 7811210102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2010121187 - 212 = 2010117091 is a prime.

It is a super-4 number, since 4×20101211874 (a number of 38 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (2010121147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005060593 + 1005060594.

It is an arithmetic number, because the mean of its divisors is an integer number (1005060594).

Almost surely, 22010121187 is an apocalyptic number.

2010121187 is a deficient number, since it is larger than the sum of its proper divisors (1).

2010121187 is an equidigital number, since it uses as much as digits as its factorization.

2010121187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 23.

The square root of 2010121187 is about 44834.3750597686. The cubic root of 2010121187 is about 1262.0427909120.

Adding to 2010121187 its reverse (7811210102), we get a palindrome (9821331289).

The spelling of 2010121187 in words is "two billion, ten million, one hundred twenty-one thousand, one hundred eighty-seven".