Search a number
-
+
13506707152091 = 20803764924543
BaseRepresentation
bin1100010010001100011001…
…1110110101110011011011
31202211020011122101212111102
43010203012132311303123
53232243214012331331
644420521241222015
72562553536336236
oct304430636656333
952736148355442
1013506707152091
11433818708289a
121621834a9190b
1376c8a554682a
14349a29d3441d
151865190394cb
hexc48c67b5cdb

13506707152091 has 4 divisors (see below), whose sum is σ = 13506772284672. Its totient is φ = 13506642019512.

The previous prime is 13506707152039. The next prime is 13506707152171. The reversal of 13506707152091 is 19025170760531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13506707152091 - 214 = 13506707135707 is a prime.

It is a super-2 number, since 2×135067071520912 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13506707152691) 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, 32254235 + ... + 32670308.

It is an arithmetic number, because the mean of its divisors is an integer number (3376693071168).

Almost surely, 213506707152091 is an apocalyptic number.

13506707152091 is a deficient number, since it is larger than the sum of its proper divisors (65132581).

13506707152091 is an equidigital number, since it uses as much as digits as its factorization.

13506707152091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65132580.

The product of its (nonzero) digits is 396900, while the sum is 47.

The spelling of 13506707152091 in words is "thirteen trillion, five hundred six billion, seven hundred seven million, one hundred fifty-two thousand, ninety-one".

Divisors: 1 208037 64924543 13506707152091