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10200505305 = 355211305247
BaseRepresentation
bin10010111111111111…
…10101101111011001
3222022220001100200210
421133333311233121
5131342312132210
64404104121333
7510530602344
oct113777655731
928286040623
1010200505305
114364a12681
121b88166249
13c673c0773
146caa3745b
153ea7b6e20
hex25fff5bd9

10200505305 has 16 divisors (see below), whose sum is σ = 16352146944. Its totient is φ = 5429823360.

The previous prime is 10200505303. The next prime is 10200505331. The reversal of 10200505305 is 50350500201.

It is not a de Polignac number, because 10200505305 - 21 = 10200505303 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10200505303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 644809 + ... + 660438.

It is an arithmetic number, because the mean of its divisors is an integer number (1022009184).

Almost surely, 210200505305 is an apocalyptic number.

10200505305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10200505305 is a deficient number, since it is larger than the sum of its proper divisors (6151641639).

10200505305 is a wasteful number, since it uses less digits than its factorization.

10200505305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305776.

The product of its (nonzero) digits is 750, while the sum is 21.

The spelling of 10200505305 in words is "ten billion, two hundred million, five hundred five thousand, three hundred five".

Divisors: 1 3 5 15 521 1563 2605 7815 1305247 3915741 6526235 19578705 680033687 2040101061 3400168435 10200505305