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13448573897 = 1110139730491
BaseRepresentation
bin11001000011001100…
…01111001111001001
31021201020212100011112
430201212033033021
5210020313331042
610102253340105
7654160664153
oct144146171711
937636770145
1013448573897
115781407690
122733a97635
1313642bc545
14918175ad3
1553aa0c982
hex32198f3c9

13448573897 has 16 divisors (see below), whose sum is σ = 14854238784. Its totient is φ = 12074040000.

The previous prime is 13448573893. The next prime is 13448573899. The reversal of 13448573897 is 79837584431.

It is a happy number.

13448573897 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 13448573897 - 22 = 13448573893 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13448573891) 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 15 ways as a sum of consecutive naturals, for example, 425822 + ... + 456312.

It is an arithmetic number, because the mean of its divisors is an integer number (928389924).

Almost surely, 213448573897 is an apocalyptic number.

It is an amenable number.

13448573897 is a deficient number, since it is larger than the sum of its proper divisors (1405664887).

13448573897 is a wasteful number, since it uses less digits than its factorization.

13448573897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31000.

The product of its digits is 20321280, while the sum is 59.

The spelling of 13448573897 in words is "thirteen billion, four hundred forty-eight million, five hundred seventy-three thousand, eight hundred ninety-seven".

Divisors: 1 11 101 397 1111 4367 30491 40097 335401 441067 3079591 12104927 33875501 133154197 1222597627 13448573897