Search a number
-
+
386121107 is a prime number
BaseRepresentation
bin10111000000111…
…011110110010011
3222220112222120202
4113000323312103
51242321333412
6102151525415
712365655341
oct2700736623
9886488522
10386121107
11188a56559
12a938986b
1361cc2338
14393d0991
1523d713c2
hex1703bd93

386121107 has 2 divisors, whose sum is σ = 386121108. Its totient is φ = 386121106.

The previous prime is 386121101. The next prime is 386121139. The reversal of 386121107 is 701121683.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 386121107 - 24 = 386121091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 386121107.

It is not a weakly prime, because it can be changed into another prime (386121101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193060553 + 193060554.

It is an arithmetic number, because the mean of its divisors is an integer number (193060554).

Almost surely, 2386121107 is an apocalyptic number.

386121107 is a deficient number, since it is larger than the sum of its proper divisors (1).

386121107 is an equidigital number, since it uses as much as digits as its factorization.

386121107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 386121107 is about 19649.9645546754. The cubic root of 386121107 is about 728.1840816494.

The spelling of 386121107 in words is "three hundred eighty-six million, one hundred twenty-one thousand, one hundred seven".