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105421027270 = 25133637222967
BaseRepresentation
bin110001000101110010…
…1010011011111000110
3101002002222021001122111
41202023211103133012
53211400240333040
6120232454251234
710421300642506
oct1421345233706
9332088231574
10105421027270
1140788470129
1218521356b1a
139c309627a0
145160ddba06
152b20109dea
hex188b9537c6

105421027270 has 32 divisors (see below), whose sum is σ = 204411711168. Its totient is φ = 38913810048.

The previous prime is 105421027267. The next prime is 105421027289. The reversal of 105421027270 is 72720124501.

105421027270 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1054210272702 (a number of 23 digits) 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 (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 361327 + ... + 584293.

It is an arithmetic number, because the mean of its divisors is an integer number (6387865974).

Almost surely, 2105421027270 is an apocalyptic number.

105421027270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105421027270 is a deficient number, since it is larger than the sum of its proper divisors (98990683898).

105421027270 is a wasteful number, since it uses less digits than its factorization.

105421027270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226624.

The product of its (nonzero) digits is 7840, while the sum is 31.

The spelling of 105421027270 in words is "one hundred five billion, four hundred twenty-one million, twenty-seven thousand, two hundred seventy".

Divisors: 1 2 5 10 13 26 65 130 3637 7274 18185 36370 47281 94562 222967 236405 445934 472810 1114835 2229670 2898571 5797142 14492855 28985710 810930979 1621861958 4054654895 8109309790 10542102727 21084205454 52710513635 105421027270