Search a number
-
+
13955804205 = 357132912421
BaseRepresentation
bin11001111111101010…
…01010110000101101
31100000121022022100020
430333311022300231
5212040141213310
610224453152353
71002560243550
oct147765126055
940017268306
1013955804205
115a11762292
12285592b6b9
131415406615
14965690697
1556a303170
hex33fd4ac2d

13955804205 has 16 divisors (see below), whose sum is σ = 25519185024. Its totient is φ = 6379796160.

The previous prime is 13955804201. The next prime is 13955804207. The reversal of 13955804205 is 50240855931.

It is not a de Polignac number, because 13955804205 - 22 = 13955804201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13955804201) 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, 66456106 + ... + 66456315.

It is an arithmetic number, because the mean of its divisors is an integer number (1594949064).

Almost surely, 213955804205 is an apocalyptic number.

13955804205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13955804205 is a deficient number, since it is larger than the sum of its proper divisors (11563380819).

13955804205 is a wasteful number, since it uses less digits than its factorization.

13955804205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132912436.

The product of its (nonzero) digits is 216000, while the sum is 42.

The spelling of 13955804205 in words is "thirteen billion, nine hundred fifty-five million, eight hundred four thousand, two hundred five".

Divisors: 1 3 5 7 15 21 35 105 132912421 398737263 664562105 930386947 1993686315 2791160841 4651934735 13955804205