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13051433457 = 326472241359
BaseRepresentation
bin11000010011110110…
…10001000111110001
31020200120120111220100
430021323101013301
5203212131332312
65555025303013
7641266232256
oct141173210761
936616514810
1013051433457
115598215147
122642a94a69
1312ccc3c6ba
148bb51742d
15515c115dc
hex309ed11f1

13051433457 has 12 divisors (see below), whose sum is σ = 18881216640. Its totient is φ = 8687503608.

The previous prime is 13051433449. The next prime is 13051433459. The reversal of 13051433457 is 75433415031.

13051433457 is a `hidden beast` number, since 1 + 305 + 1 + 4 + 3 + 345 + 7 = 666.

13051433457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13051433457 - 23 = 13051433449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13051433459) 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 in 11 ways as a sum of consecutive naturals, for example, 1114857 + ... + 1126502.

It is an arithmetic number, because the mean of its divisors is an integer number (1573434720).

Almost surely, 213051433457 is an apocalyptic number.

It is an amenable number.

13051433457 is a deficient number, since it is larger than the sum of its proper divisors (5829783183).

13051433457 is a wasteful number, since it uses less digits than its factorization.

13051433457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2242012 (or 2242009 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

Adding to 13051433457 its reverse (75433415031), we get a palindrome (88484848488).

The spelling of 13051433457 in words is "thirteen billion, fifty-one million, four hundred thirty-three thousand, four hundred fifty-seven".

Divisors: 1 3 9 647 1941 5823 2241359 6724077 20172231 1450159273 4350477819 13051433457