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105268643500 = 2253210537287
BaseRepresentation
bin110001000001010000…
…0000000011010101100
3101001201100112011102011
41202002200000122230
53211042233043000
6120205412211004
710414440464116
oct1420240003254
9331640464364
10105268643500
114070a44aa29
121849a309a64
139c0820a887
145148a923b6
152b11a592ba
hex18828006ac

105268643500 has 24 divisors (see below), whose sum is σ = 229906718496. Its totient is φ = 42107457200.

The previous prime is 105268643479. The next prime is 105268643561. The reversal of 105268643500 is 5346862501.

It is a super-2 number, since 2×1052686435002 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105268144 + ... + 105269143.

It is an arithmetic number, because the mean of its divisors is an integer number (9579446604).

Almost surely, 2105268643500 is an apocalyptic number.

105268643500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105268643500 is an abundant number, since it is smaller than the sum of its proper divisors (124638074996).

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

105268643500 is a wasteful number, since it uses less digits than its factorization.

105268643500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210537306 (or 210537294 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 105268643500 in words is "one hundred five billion, two hundred sixty-eight million, six hundred forty-three thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 210537287 421074574 842149148 1052686435 2105372870 4210745740 5263432175 10526864350 21053728700 26317160875 52634321750 105268643500