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105668725255 = 571297658381
BaseRepresentation
bin110001001101001011…
…0001100101000000111
3101002202020100102101221
41202122112030220013
53212402143202010
6120313223301211
710430366226202
oct1423226145007
9332666312357
10105668725255
11408a5271305
12185902aa807
139c7007a442
145185c78939
152b36c36dda
hex189a58ca07

105668725255 has 8 divisors (see below), whose sum is σ = 128588421024. Its totient is φ = 83344346400.

The previous prime is 105668725247. The next prime is 105668725259. The reversal of 105668725255 is 552527866501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 105668725255 - 23 = 105668725247 is a prime.

It is a super-2 number, since 2×1056687252552 (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 (105668725259) 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, 148828836 + ... + 148829545.

It is an arithmetic number, because the mean of its divisors is an integer number (16073552628).

Almost surely, 2105668725255 is an apocalyptic number.

105668725255 is a deficient number, since it is larger than the sum of its proper divisors (22919695769).

105668725255 is an equidigital number, since it uses as much as digits as its factorization.

105668725255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297658457.

The product of its (nonzero) digits is 5040000, while the sum is 52.

The spelling of 105668725255 in words is "one hundred five billion, six hundred sixty-eight million, seven hundred twenty-five thousand, two hundred fifty-five".

Divisors: 1 5 71 355 297658381 1488291905 21133745051 105668725255