Search a number
-
+
1405148179 is a prime number
BaseRepresentation
bin101001111000000…
…1101110000010011
310121221000220221011
41103300031300103
510334204220204
6351233111351
746551363631
oct12360156023
93557026834
101405148179
11661195696
123326b8557
13195161b36
14d4892351
1583560304
hex53c0dc13

1405148179 has 2 divisors, whose sum is σ = 1405148180. Its totient is φ = 1405148178.

The previous prime is 1405148117. The next prime is 1405148201. The reversal of 1405148179 is 9718415041.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1405148179 is a prime.

It is not a weakly prime, because it can be changed into another prime (1405145179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702574089 + 702574090.

It is an arithmetic number, because the mean of its divisors is an integer number (702574090).

Almost surely, 21405148179 is an apocalyptic number.

1405148179 is a deficient number, since it is larger than the sum of its proper divisors (1).

1405148179 is an equidigital number, since it uses as much as digits as its factorization.

1405148179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 1405148179 is about 37485.3061745532. The cubic root of 1405148179 is about 1120.0585053941.

The spelling of 1405148179 in words is "one billion, four hundred five million, one hundred forty-eight thousand, one hundred seventy-nine".