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1451263361231 is a prime number
BaseRepresentation
bin10101000111100110000…
…010011000000011001111
312010201222001001100220102
4111013212002120003033
5142234141410024411
63030411242241315
7206564442014465
oct25074602300317
95121861040812
101451263361231
1150a528373332
121b53211b623b
13a6b13323c08
1450354a40835
1527b3d8a8d3b
hex151e60980cf

1451263361231 has 2 divisors, whose sum is σ = 1451263361232. Its totient is φ = 1451263361230.

The previous prime is 1451263361129. The next prime is 1451263361257. The reversal of 1451263361231 is 1321633621541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1451263361231 - 230 = 1450189619407 is a prime.

It is a super-2 number, since 2×14512633612312 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1451263361531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 725631680615 + 725631680616.

It is an arithmetic number, because the mean of its divisors is an integer number (725631680616).

Almost surely, 21451263361231 is an apocalyptic number.

1451263361231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1451263361231 is an equidigital number, since it uses as much as digits as its factorization.

1451263361231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 38.

Adding to 1451263361231 its reverse (1321633621541), we get a palindrome (2772896982772).

The spelling of 1451263361231 in words is "one trillion, four hundred fifty-one billion, two hundred sixty-three million, three hundred sixty-one thousand, two hundred thirty-one".