Search a number
-
+
105313188815 = 547863519283
BaseRepresentation
bin110001000010100100…
…1111011101111001111
3101001211110100022002122
41202011021323233033
53211140134020230
6120214043043155
710415521222622
oct1420511735717
9331743308078
10105313188815
114073260553a
12184b12104bb
139c14506253
145150969db9
152b15907be5
hex188527bbcf

105313188815 has 16 divisors (see below), whose sum is σ = 129214476288. Its totient is φ = 82362279456.

The previous prime is 105313188797. The next prime is 105313188817. The reversal of 105313188815 is 518881313501.

It is a cyclic number.

It is not a de Polignac number, because 105313188815 - 220 = 105312140239 is a prime.

It is a super-2 number, since 2×1053131888152 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105313188817) 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, 56837 + ... + 462446.

It is an arithmetic number, because the mean of its divisors is an integer number (8075904768).

Almost surely, 2105313188815 is an apocalyptic number.

105313188815 is a deficient number, since it is larger than the sum of its proper divisors (23901287473).

105313188815 is an equidigital number, since it uses as much as digits as its factorization.

105313188815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520198.

The product of its (nonzero) digits is 115200, while the sum is 44.

The spelling of 105313188815 in words is "one hundred five billion, three hundred thirteen million, one hundred eighty-eight thousand, eight hundred fifteen".

Divisors: 1 5 47 235 863 4315 40561 202805 519283 2596415 24406301 122031505 448141229 2240706145 21062637763 105313188815