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105505332378 = 2317584222063
BaseRepresentation
bin110001001000010011…
…0111001110010011010
3101002022211220012111220
41202100212321302122
53212033331114003
6120245105232510
710423343346135
oct1422046716232
9332284805456
10105505332378
1140821011876
1218545632736
139c4526c574
14516c2a521c
152b2770e353
hex18909b9c9a

105505332378 has 8 divisors (see below), whose sum is σ = 211010664768. Its totient is φ = 35168444124.

The previous prime is 105505332343. The next prime is 105505332379. The reversal of 105505332378 is 873233505501.

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

105505332378 is an admirable number.

It is a super-2 number, since 2×1055053323782 (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (105505332379) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8792111026 + ... + 8792111037.

It is an arithmetic number, because the mean of its divisors is an integer number (26376333096).

Almost surely, 2105505332378 is an apocalyptic number.

105505332378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105505332378 is a wasteful number, since it uses less digits than its factorization.

105505332378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17584222068.

The product of its (nonzero) digits is 378000, while the sum is 42.

Adding to 105505332378 its reverse (873233505501), we get a palindrome (978738837879).

The spelling of 105505332378 in words is "one hundred five billion, five hundred five million, three hundred thirty-two thousand, three hundred seventy-eight".

Divisors: 1 2 3 6 17584222063 35168444126 52752666189 105505332378