Search a number
-
+
13106420786811 = 3111991995800333
BaseRepresentation
bin1011111010111001001110…
…0011100010011001111011
31201101221221222222122012010
42332232103203202121323
53204213422210134221
643513001231221003
72521623216354102
oct276562343423173
951357858878163
1013106420786811
1141a3446939a80
121578141977763
13740c127a27a1
143344d5b0b039
1517addc426c76
hexbeb938e267b

13106420786811 has 16 divisors (see below), whose sum is σ = 19159683206400. Its totient is φ = 7903369314720.

The previous prime is 13106420786779. The next prime is 13106420786891. The reversal of 13106420786811 is 11868702460131.

It is not a de Polignac number, because 13106420786811 - 25 = 13106420786779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13106420786891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 997893600 + ... + 997906733.

It is an arithmetic number, because the mean of its divisors is an integer number (1197480200400).

Almost surely, 213106420786811 is an apocalyptic number.

13106420786811 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13106420786811 is a deficient number, since it is larger than the sum of its proper divisors (6053262419589).

13106420786811 is a wasteful number, since it uses less digits than its factorization.

13106420786811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995800546.

The product of its (nonzero) digits is 387072, while the sum is 48.

The spelling of 13106420786811 in words is "thirteen trillion, one hundred six billion, four hundred twenty million, seven hundred eighty-six thousand, eight hundred eleven".

Divisors: 1 3 11 33 199 597 2189 6567 1995800333 5987400999 21953803663 65861410989 397164266267 1191492798801 4368806928937 13106420786811