Search a number
-
+
390553390471 is a prime number
BaseRepresentation
bin1011010111011101100…
…10111100110110000111
31101100002100002212212211
411223232302330312013
522344323131443341
6455230122324251
740134164021236
oct5535662746607
91340070085784
10390553390471
111406a6230892
1263837659687
132aaa14aa66a
1414c8d732b1d
15a25c3ed181
hex5aeecbcd87

390553390471 has 2 divisors, whose sum is σ = 390553390472. Its totient is φ = 390553390470.

The previous prime is 390553390429. The next prime is 390553390489. The reversal of 390553390471 is 174093355093.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 390553390471 - 237 = 253114436999 is a prime.

It is a super-3 number, since 3×3905533904713 (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (390553391471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195276695235 + 195276695236.

It is an arithmetic number, because the mean of its divisors is an integer number (195276695236).

Almost surely, 2390553390471 is an apocalyptic number.

390553390471 is a deficient number, since it is larger than the sum of its proper divisors (1).

390553390471 is an equidigital number, since it uses as much as digits as its factorization.

390553390471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1530900, while the sum is 49.

The spelling of 390553390471 in words is "three hundred ninety billion, five hundred fifty-three million, three hundred ninety thousand, four hundred seventy-one".