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1456912513 = 7208130359
BaseRepresentation
bin101011011010110…
…1011100010000001
310202112102211020201
41112311223202001
510440432200023
6400322405201
751050360230
oct12665534201
93675384221
101456912513
11688430a31
12347b00801
131a2ab7314
14db6c8b17
1587d87bad
hex56d6b881

1456912513 has 4 divisors (see below), whose sum is σ = 1665042880. Its totient is φ = 1248782148.

The previous prime is 1456912511. The next prime is 1456912517. The reversal of 1456912513 is 3152196541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1456912513 - 21 = 1456912511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1456912511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104065173 + ... + 104065186.

It is an arithmetic number, because the mean of its divisors is an integer number (416260720).

Almost surely, 21456912513 is an apocalyptic number.

It is an amenable number.

1456912513 is a deficient number, since it is larger than the sum of its proper divisors (208130367).

1456912513 is an equidigital number, since it uses as much as digits as its factorization.

1456912513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208130366.

The product of its digits is 32400, while the sum is 37.

The square root of 1456912513 is about 38169.5233530627. The cubic root of 1456912513 is about 1133.6469513751.

The spelling of 1456912513 in words is "one billion, four hundred fifty-six million, nine hundred twelve thousand, five hundred thirteen".

Divisors: 1 7 208130359 1456912513