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105515110244 = 22929278910181
BaseRepresentation
bin110001001000100110…
…0001100111101100100
3101002100112021222020002
41202101030030331210
53212043332011434
6120250055000432
710423522432055
oct1422114147544
9332315258202
10105515110244
1140826590055
1218548969118
139c472b3c9b
14516d6cc72c
152b284e157e
hex189130cf64

105515110244 has 24 divisors (see below), whose sum is σ = 184934647800. Its totient is φ = 52676695040.

The previous prime is 105515110243. The next prime is 105515110289. The reversal of 105515110244 is 442011515501.

It can be written as a sum of positive squares in 4 ways, for example, as 3517913344 + 101997196900 = 59312^2 + 319370^2 .

It is a super-2 number, since 2×1055151102442 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105515110243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10358834 + ... + 10369014.

It is an arithmetic number, because the mean of its divisors is an integer number (7705610325).

Almost surely, 2105515110244 is an apocalyptic number.

It is an amenable number.

105515110244 is a deficient number, since it is larger than the sum of its proper divisors (79419537556).

105515110244 is a wasteful number, since it uses less digits than its factorization.

105515110244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13903 (or 13901 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 29.

Adding to 105515110244 its reverse (442011515501), we get a palindrome (547526625745).

The spelling of 105515110244 in words is "one hundred five billion, five hundred fifteen million, one hundred ten thousand, two hundred forty-four".

Divisors: 1 2 4 929 1858 2789 3716 5578 10181 11156 20362 40724 2590981 5181962 9458149 10363924 18916298 28394809 37832596 56789618 113579236 26378777561 52757555122 105515110244