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2111212255332 = 2231723344416651
BaseRepresentation
bin11110101110001110000…
…011100111100001100100
321110211102000022210000210
4132232032003213201210
5234042230314132312
64253513313335420
7305346544035435
oct36561603474144
97424360283023
102111212255332
117443a6308304
122a1200867570
13124117c56a0b
147427ca7348c
1539db6731e3c
hex1eb8e0e7864

2111212255332 has 48 divisors (see below), whose sum is σ = 5238322270272. Its totient is φ = 659498419200.

The previous prime is 2111212255297. The next prime is 2111212255387. The reversal of 2111212255332 is 2335522121112.

It is a self number, because there is not a number n which added to its sum of digits gives 2111212255332.

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, 22160794 + ... + 22255857.

It is an arithmetic number, because the mean of its divisors is an integer number (109131713964).

Almost surely, 22111212255332 is an apocalyptic number.

It is an amenable number.

2111212255332 is an abundant number, since it is smaller than the sum of its proper divisors (3127110014940).

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

2111212255332 is a wasteful number, since it uses less digits than its factorization.

2111212255332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44416908 (or 44416906 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

Adding to 2111212255332 its reverse (2335522121112), we get a palindrome (4446734376444).

The spelling of 2111212255332 in words is "two trillion, one hundred eleven billion, two hundred twelve million, two hundred fifty-five thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 233 466 699 932 1398 2796 3961 7922 11883 15844 23766 47532 44416651 88833302 133249953 177666604 266499906 532999812 755083067 1510166134 2265249201 3020332268 4530498402 9060996804 10349079683 20698159366 31047239049 41396318732 62094478098 124188956196 175934354611 351868709222 527803063833 703737418444 1055606127666 2111212255332