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10538832220 = 2257193961967
BaseRepresentation
bin10011101000010100…
…11101000101011100
31000012110200010222021
421310022131011130
5133040420112340
64501431425524
7522106411240
oct116412350534
930173603867
1010538832220
1145189946a4
1220615252a4
13cbc51a6c7
1471d946420
1541a346e4a
hex27429d15c

10538832220 has 48 divisors (see below), whose sum is σ = 26624424960. Its totient is φ = 3423138624.

The previous prime is 10538832209. The next prime is 10538832233. The reversal of 10538832220 is 2223883501.

It is a super-2 number, since 2×105388322202 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1978324 + ... + 1983643.

It is an arithmetic number, because the mean of its divisors is an integer number (554675520).

Almost surely, 210538832220 is an apocalyptic number.

10538832220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10538832220 is an abundant number, since it is smaller than the sum of its proper divisors (16085592740).

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

10538832220 is a wasteful number, since it uses less digits than its factorization.

10538832220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3962002 (or 3962000 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 10538832220 in words is "ten billion, five hundred thirty-eight million, eight hundred thirty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 19 20 28 35 38 70 76 95 133 140 190 266 380 532 665 1330 2660 3961967 7923934 15847868 19809835 27733769 39619670 55467538 75277373 79239340 110935076 138668845 150554746 277337690 301109492 376386865 526941611 554675380 752773730 1053883222 1505547460 2107766444 2634708055 5269416110 10538832220