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105101054 = 219921327
BaseRepresentation
bin1100100001110…
…11011011111110
321022202200112122
412100323123332
5203401213204
614232402542
72414226032
oct620733376
9238680478
10105101054
1154365a83
122b246452
1318a0b596
14dd5c1c2
1593610be
hex643b6fe

105101054 has 12 divisors (see below), whose sum is σ = 158567184. Its totient is φ = 52247052.

The previous prime is 105101041. The next prime is 105101063. The reversal of 105101054 is 450101501.

It is a super-2 number, since 2×1051010542 = 22092463103821832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78539 + ... + 79865.

It is an arithmetic number, because the mean of its divisors is an integer number (13213932).

Almost surely, 2105101054 is an apocalyptic number.

105101054 is a deficient number, since it is larger than the sum of its proper divisors (53466130).

105101054 is an equidigital number, since it uses as much as digits as its factorization.

105101054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1727 (or 1528 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 105101054 is about 10251.8805104234. The cubic root of 105101054 is about 471.9206961229.

Adding to 105101054 its reverse (450101501), we get a palindrome (555202555).

The spelling of 105101054 in words is "one hundred five million, one hundred one thousand, fifty-four".

Divisors: 1 2 199 398 1327 2654 39601 79202 264073 528146 52550527 105101054