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13444466678 = 226212564759
BaseRepresentation
bin11001000010101101…
…00100011111110110
31021200222010200010022
430201112210133312
5210013240413203
610102025325142
7654111036566
oct144126443766
937628120108
1013444466678
11577a061895
1227326367b2
1313634b1c36
149177c6da6
1553a49aa38
hex3215a47f6

13444466678 has 8 divisors (see below), whose sum is σ = 20174402160. Its totient is φ = 6719665960.

The previous prime is 13444466669. The next prime is 13444466723. The reversal of 13444466678 is 87666444431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1277138 + ... + 1287621.

It is an arithmetic number, because the mean of its divisors is an integer number (2521800270).

Almost surely, 213444466678 is an apocalyptic number.

13444466678 is a deficient number, since it is larger than the sum of its proper divisors (6729935482).

13444466678 is a wasteful number, since it uses less digits than its factorization.

13444466678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2567382.

The product of its digits is 9289728, while the sum is 53.

The spelling of 13444466678 in words is "thirteen billion, four hundred forty-four million, four hundred sixty-six thousand, six hundred seventy-eight".

Divisors: 1 2 2621 5242 2564759 5129518 6722233339 13444466678