Search a number
-
+
905454858241 is a prime number
BaseRepresentation
bin11010010110100010101…
…00001011000000000001
310012120010201001121000001
431023101110023000001
5104313332420430431
61531543224000001
7122263005210223
oct15132124130001
93176121047001
10905454858241
1131a0017315aa
12127597000001
13674cb925a8b
1431b77a4c413
1518846380e61
hexd2d150b001

905454858241 has 2 divisors, whose sum is σ = 905454858242. Its totient is φ = 905454858240.

The previous prime is 905454858233. The next prime is 905454858281. The reversal of 905454858241 is 142858454509.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 547779094641 + 357675763600 = 740121^2 + 598060^2 .

It is a cyclic number.

It is not a de Polignac number, because 905454858241 - 23 = 905454858233 is a prime.

It is a super-2 number, since 2×9054548582412 (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (905454858221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 452727429120 + 452727429121.

It is an arithmetic number, because the mean of its divisors is an integer number (452727429121).

Almost surely, 2905454858241 is an apocalyptic number.

It is an amenable number.

905454858241 is a deficient number, since it is larger than the sum of its proper divisors (1).

905454858241 is an equidigital number, since it uses as much as digits as its factorization.

905454858241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216000, while the sum is 55.

The spelling of 905454858241 in words is "nine hundred five billion, four hundred fifty-four million, eight hundred fifty-eight thousand, two hundred forty-one".