Search a number
-
+
201042208979 is a prime number
BaseRepresentation
bin1011101100111100001…
…1001010100011010011
3201012220222101101102222
42323033003022203103
511243213301141404
6232205120131255
720345004403103
oct2731703124323
9635828341388
10201042208979
11782970a4237
1232b68766b2b
1315c5c217491
149a32699203
155369be1dbe
hex2ecf0ca8d3

201042208979 has 2 divisors, whose sum is σ = 201042208980. Its totient is φ = 201042208978.

The previous prime is 201042208973. The next prime is 201042209003. The reversal of 201042208979 is 979802240102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201042208979 - 28 = 201042208723 is a prime.

It is not a weakly prime, because it can be changed into another prime (201042208973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100521104489 + 100521104490.

It is an arithmetic number, because the mean of its divisors is an integer number (100521104490).

Almost surely, 2201042208979 is an apocalyptic number.

201042208979 is a deficient number, since it is larger than the sum of its proper divisors (1).

201042208979 is an equidigital number, since it uses as much as digits as its factorization.

201042208979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 201042208979 in words is "two hundred one billion, forty-two million, two hundred eight thousand, nine hundred seventy-nine".