Search a number
-
+
13086442907 = 191321521393
BaseRepresentation
bin11000011000000001…
…10100010110011011
31020210000110011211122
430030000310112123
5203300112133112
610002315515455
7642202633526
oct141400642633
936700404748
1013086442907
115605a5727a
122652758b8b
131307279855
148c202bbbd
15518d29872
hex30c03459b

13086442907 has 8 divisors (see below), whose sum is σ = 13785657360. Its totient is φ = 12388273920.

The previous prime is 13086442891. The next prime is 13086442927. The reversal of 13086442907 is 70924468031.

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

It is a cyclic number.

It is not a de Polignac number, because 13086442907 - 24 = 13086442891 is a prime.

It is a super-2 number, since 2×130864429072 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13086442927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235598 + ... + 285795.

It is an arithmetic number, because the mean of its divisors is an integer number (1723207170).

Almost surely, 213086442907 is an apocalyptic number.

13086442907 is a deficient number, since it is larger than the sum of its proper divisors (699214453).

13086442907 is a wasteful number, since it uses less digits than its factorization.

13086442907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522733.

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 13086442907 in words is "thirteen billion, eighty-six million, four hundred forty-two thousand, nine hundred seven".

Divisors: 1 19 1321 25099 521393 9906467 688760153 13086442907