Search a number
-
+
188762452493 is a prime number
BaseRepresentation
bin1010111111001100011…
…1100111001000001101
3200001020011212010100012
42233303013213020031
511043041141434433
6222414414243005
716431465241556
oct2576307471015
9601204763305
10188762452493
117306553545a
12307001b6465
1314a53122094
1491c985732d
154d9bb10848
hex2bf31e720d

188762452493 has 2 divisors, whose sum is σ = 188762452494. Its totient is φ = 188762452492.

The previous prime is 188762452481. The next prime is 188762452573. The reversal of 188762452493 is 394254267881.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 187304587369 + 1457865124 = 432787^2 + 38182^2 .

It is an emirp because it is prime and its reverse (394254267881) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 188762452493 - 24 = 188762452477 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (188762452793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94381226246 + 94381226247.

It is an arithmetic number, because the mean of its divisors is an integer number (94381226247).

Almost surely, 2188762452493 is an apocalyptic number.

It is an amenable number.

188762452493 is a deficient number, since it is larger than the sum of its proper divisors (1).

188762452493 is an equidigital number, since it uses as much as digits as its factorization.

188762452493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23224320, while the sum is 59.

The spelling of 188762452493 in words is "one hundred eighty-eight billion, seven hundred sixty-two million, four hundred fifty-two thousand, four hundred ninety-three".