Search a number
-
+
17741952493 is a prime number
BaseRepresentation
bin10000100001100000…
…001011010111101101
31200210110121120101121
4100201200023113231
5242313414434433
612052303340541
71165443052006
oct204140132755
950713546347
1017741952493
117584962561
1235318b1751
131899930c55
14c044581ad
156dc8d4c2d
hex42180b5ed

17741952493 has 2 divisors, whose sum is σ = 17741952494. Its totient is φ = 17741952492.

The previous prime is 17741952479. The next prime is 17741952517. The reversal of 17741952493 is 39425914771.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17738776969 + 3175524 = 133187^2 + 1782^2 .

It is a cyclic number.

It is not a de Polignac number, because 17741952493 - 25 = 17741952461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 17741952493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17741952413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8870976246 + 8870976247.

It is an arithmetic number, because the mean of its divisors is an integer number (8870976247).

Almost surely, 217741952493 is an apocalyptic number.

It is an amenable number.

17741952493 is a deficient number, since it is larger than the sum of its proper divisors (1).

17741952493 is an equidigital number, since it uses as much as digits as its factorization.

17741952493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1905120, while the sum is 52.

The spelling of 17741952493 in words is "seventeen billion, seven hundred forty-one million, nine hundred fifty-two thousand, four hundred ninety-three".