Search a number
-
+
105827810913 = 32113373316919
BaseRepresentation
bin110001010001111010…
…1000011111001100001
3101010011022200210220100
41202203311003321201
53213213404422123
6120341105133013
710434340356606
oct1424365037141
9333138623810
10105827810913
1140977049760
121861562a169
139c9700a976
14519d04a6ad
152b45bad643
hex18a3d43e61

105827810913 has 24 divisors (see below), whose sum is σ = 166808940480. Its totient is φ = 64118849760.

The previous prime is 105827810863. The next prime is 105827810929. The reversal of 105827810913 is 319018728501.

It is not a de Polignac number, because 105827810913 - 29 = 105827810401 is a prime.

It is a super-2 number, since 2×1058278109132 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105827810213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 175468 + ... + 492386.

It is an arithmetic number, because the mean of its divisors is an integer number (6950372520).

Almost surely, 2105827810913 is an apocalyptic number.

It is an amenable number.

105827810913 is a deficient number, since it is larger than the sum of its proper divisors (60981129567).

105827810913 is a wasteful number, since it uses less digits than its factorization.

105827810913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320309 (or 320306 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 45.

The spelling of 105827810913 in words is "one hundred five billion, eight hundred twenty-seven million, eight hundred ten thousand, nine hundred thirteen".

Divisors: 1 3 9 11 33 99 3373 10119 30357 37103 111309 316919 333927 950757 2852271 3486109 10458327 31374981 1068967787 3206903361 9620710083 11758645657 35275936971 105827810913