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13461472256 = 21013145969
BaseRepresentation
bin11001000100101110…
…11100010000000000
31021202011010122101112
430202113130100000
5210032114103011
610103434022452
7654405424541
oct144227342000
937664118345
1013461472256
115788717391
122738277a28
131366b873cb
14919b724c8
1553bc0958b
hex3225dc400

13461472256 has 22 divisors (see below), whose sum is σ = 26909800590. Its totient is φ = 6730735616.

The previous prime is 13461472237. The next prime is 13461472259. The reversal of 13461472256 is 65227416431.

It can be written as a sum of positive squares in only one way, i.e., 9714073600 + 3747398656 = 98560^2 + 61216^2 .

It is a super-2 number, since 2×134614722562 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13461472259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6571961 + ... + 6574008.

Almost surely, 213461472256 is an apocalyptic number.

13461472256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13461472256 is a deficient number, since it is larger than the sum of its proper divisors (13448328334).

13461472256 is an equidigital number, since it uses as much as digits as its factorization.

13461472256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13145989 (or 13145971 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

Adding to 13461472256 its reverse (65227416431), we get a palindrome (78688888687).

The spelling of 13461472256 in words is "thirteen billion, four hundred sixty-one million, four hundred seventy-two thousand, two hundred fifty-six".

Divisors: 1 2 4 8 16 32 64 128 256 512 1024 13145969 26291938 52583876 105167752 210335504 420671008 841342016 1682684032 3365368064 6730736128 13461472256