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1456455163 = 7120513453
BaseRepresentation
bin101011011001111…
…1011110111111011
310202111120120212211
41112303323313323
510440323031123
6400304515551
751043443652
oct12663736773
93674516784
101456455163
11688149359
1234791bbb7
131a29870b7
14db60a199
1587ce740d
hex56cfbdfb

1456455163 has 4 divisors (see below), whose sum is σ = 1476968688. Its totient is φ = 1435941640.

The previous prime is 1456455157. The next prime is 1456455173. The reversal of 1456455163 is 3615546541.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3615546541 = 4789754969.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1456455163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1456455103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10256656 + ... + 10256797.

It is an arithmetic number, because the mean of its divisors is an integer number (369242172).

Almost surely, 21456455163 is an apocalyptic number.

1456455163 is a deficient number, since it is larger than the sum of its proper divisors (20513525).

1456455163 is an equidigital number, since it uses as much as digits as its factorization.

1456455163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20513524.

The product of its digits is 216000, while the sum is 40.

The square root of 1456455163 is about 38163.5318465155. The cubic root of 1456455163 is about 1133.5283151745.

The spelling of 1456455163 in words is "one billion, four hundred fifty-six million, four hundred fifty-five thousand, one hundred sixty-three".

Divisors: 1 71 20513453 1456455163