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83830811900 = 22521176209829
BaseRepresentation
bin100111000010010110…
…1001010110011111100
322000101022110111000012
41032010231022303330
52333141141440100
6102302241122352
76025256100263
oct1160455126374
9260338414005
1083830811900
1132609342830
12142b69293b8
137b9c999914
1440b384b5da
1522a9974135
hex1384b4acfc

83830811900 has 36 divisors (see below), whose sum is σ = 198450397320. Its totient is φ = 30483931200.

The previous prime is 83830811899. The next prime is 83830811923. The reversal of 83830811900 is 911803838.

It is a happy number.

It is a super-3 number, since 3×838308119003 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38103815 + ... + 38106014.

Almost surely, 283830811900 is an apocalyptic number.

It is an amenable number.

83830811900 is an abundant number, since it is smaller than the sum of its proper divisors (114619585420).

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

83830811900 is a wasteful number, since it uses less digits than its factorization.

83830811900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76209854 (or 76209847 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 41.

The spelling of 83830811900 in words is "eighty-three billion, eight hundred thirty million, eight hundred eleven thousand, nine hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 550 1100 76209829 152419658 304839316 381049145 762098290 838308119 1524196580 1676616238 1905245725 3353232476 3810491450 4191540595 7620982900 8383081190 16766162380 20957702975 41915405950 83830811900