Search a number
-
+
105485500027 = 472197242399
BaseRepresentation
bin110001000111101101…
…1001111111001111011
3101002021110120121122101
41202033123033321323
53212013242000102
6120243120204231
710423012645645
oct1421733177173
9332243517571
10105485500027
11408108a64a6
121853aa69677
139c4111754b
1451697c1895
152b25ae2e87
hex188f6cfe7b

105485500027 has 12 divisors (see below), whose sum is σ = 108325166400. Its totient is φ = 102716637296.

The previous prime is 105485500007. The next prime is 105485500061. The reversal of 105485500027 is 720005584501.

It is a de Polignac number, because none of the positive numbers 2k-105485500027 is a prime.

It is a super-2 number, since 2×1054855000272 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105485500007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 313974 + ... + 556372.

It is an arithmetic number, because the mean of its divisors is an integer number (9027097200).

Almost surely, 2105485500027 is an apocalyptic number.

105485500027 is a deficient number, since it is larger than the sum of its proper divisors (2839666373).

105485500027 is an equidigital number, since it uses as much as digits as its factorization.

105485500027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242690 (or 242643 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 37.

The spelling of 105485500027 in words is "one hundred five billion, four hundred eighty-five million, five hundred thousand, twenty-seven".

Divisors: 1 47 197 2209 9259 242399 435173 11392753 47752603 535459391 2244372341 105485500027