Search a number
-
+
1468054417421 is a prime number
BaseRepresentation
bin10101010111001110110…
…111001011000000001101
312012100022020101101210102
4111113032313023000031
5143023033412324141
63042225341020445
7211030520441204
oct25271667130015
95170266341712
101468054417421
115166644a0379
121b8628554725
13a858ac4b117
14510a8a9023b
15282c2a5b99b
hex155cedcb00d

1468054417421 has 2 divisors, whose sum is σ = 1468054417422. Its totient is φ = 1468054417420.

The previous prime is 1468054417363. The next prime is 1468054417433. The reversal of 1468054417421 is 1247144508641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1459916392900 + 8138024521 = 1208270^2 + 90211^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1468054417421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1468054417021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 734027208710 + 734027208711.

It is an arithmetic number, because the mean of its divisors is an integer number (734027208711).

Almost surely, 21468054417421 is an apocalyptic number.

It is an amenable number.

1468054417421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1468054417421 is an equidigital number, since it uses as much as digits as its factorization.

1468054417421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 860160, while the sum is 47.

The spelling of 1468054417421 in words is "one trillion, four hundred sixty-eight billion, fifty-four million, four hundred seventeen thousand, four hundred twenty-one".