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13448973898 = 26724486949
BaseRepresentation
bin11001000011001111…
…10000111001001010
31021201021121122212101
430201213300321022
5210020414131043
610102310104014
7654164251303
oct144147607112
937637548771
1013448973898
115781660168
12273404b00a
1313643cc629
1491823b7aa
1553aa8b24d
hex3219f0e4a

13448973898 has 4 divisors (see below), whose sum is σ = 20173460850. Its totient is φ = 6724486948.

The previous prime is 13448973869. The next prime is 13448973899. The reversal of 13448973898 is 89837984431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13433505409 + 15468489 = 115903^2 + 3933^2 .

It is not an unprimeable number, because it can be changed into a prime (13448973899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3362243473 + ... + 3362243476.

Almost surely, 213448973898 is an apocalyptic number.

13448973898 is a deficient number, since it is larger than the sum of its proper divisors (6724486952).

13448973898 is an equidigital number, since it uses as much as digits as its factorization.

13448973898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6724486951.

The product of its digits is 41803776, while the sum is 64.

The spelling of 13448973898 in words is "thirteen billion, four hundred forty-eight million, nine hundred seventy-three thousand, eight hundred ninety-eight".

Divisors: 1 2 6724486949 13448973898