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1451880013 is a prime number
BaseRepresentation
bin101011010001001…
…1110111001001101
310202011222010221211
41112202132321031
510433140130023
6400022454421
750656530223
oct12642367115
93664863854
101451880013
11685603a41
12346294411
131a1a447cc
14dab78b13
15876e1a0d
hex5689ee4d

1451880013 has 2 divisors, whose sum is σ = 1451880014. Its totient is φ = 1451880012.

The previous prime is 1451880011. The next prime is 1451880043. The reversal of 1451880013 is 3100881541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1449857929 + 2022084 = 38077^2 + 1422^2 .

It is a cyclic number.

It is not a de Polignac number, because 1451880013 - 21 = 1451880011 is a prime.

Together with 1451880011, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1451880011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 725940006 + 725940007.

It is an arithmetic number, because the mean of its divisors is an integer number (725940007).

Almost surely, 21451880013 is an apocalyptic number.

It is an amenable number.

1451880013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1451880013 is an equidigital number, since it uses as much as digits as its factorization.

1451880013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 1451880013 is about 38103.5433129256. The cubic root of 1451880013 is about 1132.3401559574.

The spelling of 1451880013 in words is "one billion, four hundred fifty-one million, eight hundred eighty thousand, thirteen".