Search a number
-
+
450235126421 is a prime number
BaseRepresentation
bin1101000110101000001…
…10101101001010010101
31121001010122211012102122
412203110012231022111
524334040143021141
6542500221145325
744346150300353
oct6432406551225
91531118735378
10450235126421
11163a41a9a403
12733129bb245
13335c3013812
1417b11c1a7d3
15baa1c3564b
hex68d41ad295

450235126421 has 2 divisors, whose sum is σ = 450235126422. Its totient is φ = 450235126420.

The previous prime is 450235126409. The next prime is 450235126441. The reversal of 450235126421 is 124621532054.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 340600632100 + 109634494321 = 583610^2 + 331111^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-450235126421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450235126441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225117563210 + 225117563211.

It is an arithmetic number, because the mean of its divisors is an integer number (225117563211).

Almost surely, 2450235126421 is an apocalyptic number.

It is an amenable number.

450235126421 is a deficient number, since it is larger than the sum of its proper divisors (1).

450235126421 is an equidigital number, since it uses as much as digits as its factorization.

450235126421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 450235126421 its reverse (124621532054), we get a palindrome (574856658475).

The spelling of 450235126421 in words is "four hundred fifty billion, two hundred thirty-five million, one hundred twenty-six thousand, four hundred twenty-one".