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105125115 = 357008341
BaseRepresentation
bin1100100010000…
…01010011111011
321022210220112210
412101001103323
5203403000430
614233110203
72414356134
oct621012373
9238726483
10105125115
1154382067
122b258363
1318a19514
14dd66c8b
1593682b0
hex64414fb

105125115 has 8 divisors (see below), whose sum is σ = 168200208. Its totient is φ = 56066720.

The previous prime is 105125071. The next prime is 105125131. The reversal of 105125115 is 511521501.

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

It is not a de Polignac number, because 105125115 - 212 = 105121019 is a prime.

It is a super-2 number, since 2×1051251152 = 22102579607526450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105125091 and 105125100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3504156 + ... + 3504185.

It is an arithmetic number, because the mean of its divisors is an integer number (21025026).

Almost surely, 2105125115 is an apocalyptic number.

105125115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

105125115 is a deficient number, since it is larger than the sum of its proper divisors (63075093).

105125115 is an equidigital number, since it uses as much as digits as its factorization.

105125115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7008349.

The product of its (nonzero) digits is 250, while the sum is 21.

The square root of 105125115 is about 10253.0539352917. The cubic root of 105125115 is about 471.9567059663.

Adding to 105125115 its reverse (511521501), we get a palindrome (616646616).

The spelling of 105125115 in words is "one hundred five million, one hundred twenty-five thousand, one hundred fifteen".

Divisors: 1 3 5 15 7008341 21025023 35041705 105125115