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105093637909 = 138084125993
BaseRepresentation
bin110000111100000010…
…0011010011100010101
3101001021011012221212121
41201320010122130111
53210212432403114
6120140201215541
710410214116541
oct1417004323425
9331234187777
10105093637909
114062a689707
121844b7915b1
139baab95080
14512d738a21
152b014daa24
hex187811a715

105093637909 has 4 divisors (see below), whose sum is σ = 113177763916. Its totient is φ = 97009511904.

The previous prime is 105093637889. The next prime is 105093637933. The reversal of 105093637909 is 909736390501.

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

It can be written as a sum of positive squares in 2 ways, for example, as 20890366225 + 84203271684 = 144535^2 + 290178^2 .

It is a cyclic number.

It is not a de Polignac number, because 105093637909 - 213 = 105093629717 is a prime.

It is a super-2 number, since 2×1050936379092 (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 (105093667909) 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, 4042062984 + ... + 4042063009.

It is an arithmetic number, because the mean of its divisors is an integer number (28294440979).

Almost surely, 2105093637909 is an apocalyptic number.

It is an amenable number.

105093637909 is a deficient number, since it is larger than the sum of its proper divisors (8084126007).

105093637909 is an equidigital number, since it uses as much as digits as its factorization.

105093637909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8084126006.

The product of its (nonzero) digits is 1377810, while the sum is 52.

The spelling of 105093637909 in words is "one hundred five billion, ninety-three million, six hundred thirty-seven thousand, nine hundred nine".

Divisors: 1 13 8084125993 105093637909