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10305884220 = 2235171764737
BaseRepresentation
bin10011001100100011…
…10101000000111100
3222121020100011101120
421212101311000330
5132101301243340
64422350510540
7513250366452
oct114621650074
928536304346
1010305884220
114409448395
121bb7505450
13c83198658
146daa289d2
15404b804d0
hex26647503c

10305884220 has 24 divisors (see below), whose sum is σ = 28856475984. Its totient is φ = 2748235776.

The previous prime is 10305884209. The next prime is 10305884227. The reversal of 10305884220 is 2248850301.

It is a super-2 number, since 2×103058842202 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10305884227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85882309 + ... + 85882428.

It is an arithmetic number, because the mean of its divisors is an integer number (1202353166).

Almost surely, 210305884220 is an apocalyptic number.

10305884220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10305884220 is an abundant number, since it is smaller than the sum of its proper divisors (18550591764).

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

10305884220 is a wasteful number, since it uses less digits than its factorization.

10305884220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171764749 (or 171764747 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The spelling of 10305884220 in words is "ten billion, three hundred five million, eight hundred eighty-four thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 171764737 343529474 515294211 687058948 858823685 1030588422 1717647370 2061176844 2576471055 3435294740 5152942110 10305884220