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13444505411 = 73184171307
BaseRepresentation
bin11001000010101101…
…01101111101000011
31021200222012122020212
430201112231331003
5210013243133121
610102030224335
7654111260531
oct144126557503
937628178225
1013444505411
11577a0889a7
1227326550ab
1313634c675c
149177d7151
1553a4a725b
hex3215adf43

13444505411 has 4 divisors (see below), whose sum is σ = 13628676792. Its totient is φ = 13260334032.

The previous prime is 13444505377. The next prime is 13444505449. The reversal of 13444505411 is 11450544431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11450544431 = 31369372401.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13444505411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13444565411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92085581 + ... + 92085726.

It is an arithmetic number, because the mean of its divisors is an integer number (3407169198).

Almost surely, 213444505411 is an apocalyptic number.

13444505411 is a deficient number, since it is larger than the sum of its proper divisors (184171381).

13444505411 is an equidigital number, since it uses as much as digits as its factorization.

13444505411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184171380.

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 13444505411 in words is "thirteen billion, four hundred forty-four million, five hundred five thousand, four hundred eleven".

Divisors: 1 73 184171307 13444505411