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2201233233212 = 2213173180325253
BaseRepresentation
bin100000000010000011101…
…110011001010100111100
321210102202201200021101122
4200002003232121110330
5242031111201430322
64403122123330112
7315014416523126
oct40020356312474
97712681607348
102201233233212
117795a0857392
122b6744680938
1312c763212530
147877c672216
153c3d4854442
hex20083b9953c

2201233233212 has 48 divisors (see below), whose sum is σ = 4534199937792. Its totient is φ = 925346903040.

The previous prime is 2201233233191. The next prime is 2201233233271. The reversal of 2201233233212 is 2123323321022.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40135223 + ... + 40190030.

It is an arithmetic number, because the mean of its divisors is an integer number (94462498704).

Almost surely, 22201233233212 is an apocalyptic number.

It is an amenable number.

2201233233212 is an abundant number, since it is smaller than the sum of its proper divisors (2332966704580).

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

2201233233212 is a wasteful number, since it uses less digits than its factorization.

2201233233212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80325318 (or 80325316 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 2201233233212 its reverse (2123323321022), we get a palindrome (4324556554234).

The spelling of 2201233233212 in words is "two trillion, two hundred one billion, two hundred thirty-three million, two hundred thirty-three thousand, two hundred twelve".

Divisors: 1 2 4 13 17 26 31 34 52 62 68 124 221 403 442 527 806 884 1054 1612 2108 6851 13702 27404 80325253 160650506 321301012 1044228289 1365529301 2088456578 2490082843 2731058602 4176913156 4980165686 5462117204 9960331372 17751880913 32371076959 35503761826 42331408331 64742153918 71007523652 84662816662 129484307836 169325633324 550308308303 1100616616606 2201233233212