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10324221220 = 225516211061
BaseRepresentation
bin10011001110101111…
…10001110100100100
3222122111211210000201
421213113301310210
5132121000034340
64424243520244
7513562301215
oct114727616444
928574753021
1010324221220
114418832235
122001689084
13c86c18b51
146dd23d40c
154065a379a
hex2675f1d24

10324221220 has 12 divisors (see below), whose sum is σ = 21680864604. Its totient is φ = 4129688480.

The previous prime is 10324221217. The next prime is 10324221221. The reversal of 10324221220 is 2212242301.

It can be written as a sum of positive squares in 2 ways, for example, as 2219540544 + 8104680676 = 47112^2 + 90026^2 .

It is not an unprimeable number, because it can be changed into a prime (10324221221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258105511 + ... + 258105550.

It is an arithmetic number, because the mean of its divisors is an integer number (1806738717).

Almost surely, 210324221220 is an apocalyptic number.

10324221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10324221220 is an abundant number, since it is smaller than the sum of its proper divisors (11356643384).

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

10324221220 is a wasteful number, since it uses less digits than its factorization.

10324221220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516211070 (or 516211068 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 10324221220 its reverse (2212242301), we get a palindrome (12536463521).

The spelling of 10324221220 in words is "ten billion, three hundred twenty-four million, two hundred twenty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 516211061 1032422122 2064844244 2581055305 5162110610 10324221220