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13107780805 = 57374508023
BaseRepresentation
bin11000011010100100…
…01101110011000101
31020211111121020221011
430031102031303011
5203321042441210
610004401122221
7642552204250
oct141522156305
936744536834
1013107780805
1156170007a9
122659929371
13130b80ac22
148c4bc4097
1551ab41d8a
hex30d48dcc5

13107780805 has 8 divisors (see below), whose sum is σ = 17976385152. Its totient is φ = 8988192528.

The previous prime is 13107780761. The next prime is 13107780821. The reversal of 13107780805 is 50808770131.

It is a happy number.

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

It is not a de Polignac number, because 13107780805 - 217 = 13107649733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187253977 + ... + 187254046.

It is an arithmetic number, because the mean of its divisors is an integer number (2247048144).

Almost surely, 213107780805 is an apocalyptic number.

It is an amenable number.

13107780805 is a deficient number, since it is larger than the sum of its proper divisors (4868604347).

13107780805 is an equidigital number, since it uses as much as digits as its factorization.

13107780805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374508035.

The product of its (nonzero) digits is 47040, while the sum is 40.

The spelling of 13107780805 in words is "thirteen billion, one hundred seven million, seven hundred eighty thousand, eight hundred five".

Divisors: 1 5 7 35 374508023 1872540115 2621556161 13107780805