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10000221002220 = 2235941177120457
BaseRepresentation
bin1001000110000101101110…
…0111101101100111101100
31022102000022121002022212210
42101201123213231213230
52302320423034032340
633134012121530420
72051330541003531
oct221413347554754
938360277068783
1010000221002220
113206085061289
121156139943a10
1357702ab87177
1426802861ad88
151251de54a180
hex9185b9ed9ec

10000221002220 has 48 divisors (see below), whose sum is σ = 28030375201248. Its totient is φ = 2663891658240.

The previous prime is 10000221002141. The next prime is 10000221002251. The reversal of 10000221002220 is 2220012200001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10000221002196 and 10000221002205.

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, 88503769 + ... + 88616688.

It is an arithmetic number, because the mean of its divisors is an integer number (583966150026).

Almost surely, 210000221002220 is an apocalyptic number.

10000221002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10000221002220 is an abundant number, since it is smaller than the sum of its proper divisors (18030154199028).

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

10000221002220 is a wasteful number, since it uses less digits than its factorization.

10000221002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177121410 (or 177121408 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 10000221002220 its reverse (2220012200001), we get a palindrome (12220233202221).

The spelling of 10000221002220 in words is "ten trillion, two hundred twenty-one million, two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 941 1882 2823 3764 4705 5646 9410 11292 14115 18820 28230 56460 177120457 354240914 531361371 708481828 885602285 1062722742 1771204570 2125445484 2656806855 3542409140 5313613710 10627227420 166670350037 333340700074 500011050111 666681400148 833351750185 1000022100222 1666703500370 2000044200444 2500055250555 3333407000740 5000110501110 10000221002220