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105455145415 = 528175057043
BaseRepresentation
bin110001000110110011…
…1011101000111000111
3101002012100110102221111
41202031213131013013
53211433004123130
6120240113425451
710422163642354
oct1421547350707
9332170412844
10105455145415
11407a5753644
121853086b287
139c37a4a039
14516575d62b
152b230e902a
hex188d9dd1c7

105455145415 has 8 divisors (see below), whose sum is σ = 126996518448. Its totient is φ = 84063887040.

The previous prime is 105455145413. The next prime is 105455145421. The reversal of 105455145415 is 514541554501.

It is a happy number.

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

It is not a de Polignac number, because 105455145415 - 21 = 105455145413 is a prime.

It is a super-2 number, since 2×1054551454152 (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 (105455145413) 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, 37527117 + ... + 37529926.

It is an arithmetic number, because the mean of its divisors is an integer number (15874564806).

Almost surely, 2105455145415 is an apocalyptic number.

105455145415 is a deficient number, since it is larger than the sum of its proper divisors (21541373033).

105455145415 is an equidigital number, since it uses as much as digits as its factorization.

105455145415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75057329.

The product of its (nonzero) digits is 200000, while the sum is 40.

Adding to 105455145415 its reverse (514541554501), we get a palindrome (619996699916).

The spelling of 105455145415 in words is "one hundred five billion, four hundred fifty-five million, one hundred forty-five thousand, four hundred fifteen".

Divisors: 1 5 281 1405 75057043 375285215 21091029083 105455145415