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52121460200 = 2352833139847
BaseRepresentation
bin110000100010101011…
…100101110111101000
311222112102201111220212
4300202223211313220
51323221043211300
635535543440252
73523422046625
oct604253456750
9158472644825
1052121460200
1120117229547
12a127456088
134bb8432814
1427463a534c
151550c4a935
hexc22ae5de8

52121460200 has 48 divisors (see below), whose sum is σ = 122642462880. Its totient is φ = 20597389760.

The previous prime is 52121460173. The next prime is 52121460203. The reversal of 52121460200 is 206412125.

It is a happy number.

52121460200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×521214602002 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52121460203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1553324 + ... + 1586523.

It is an arithmetic number, because the mean of its divisors is an integer number (2555051310).

Almost surely, 252121460200 is an apocalyptic number.

52121460200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52121460200 is an abundant number, since it is smaller than the sum of its proper divisors (70521002680).

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

52121460200 is a wasteful number, since it uses less digits than its factorization.

52121460200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3139946 (or 3139937 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 52121460200 its reverse (206412125), we get a palindrome (52327872325).

The spelling of 52121460200 in words is "fifty-two billion, one hundred twenty-one million, four hundred sixty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 83 100 166 200 332 415 664 830 1660 2075 3320 4150 8300 16600 3139847 6279694 12559388 15699235 25118776 31398470 62796940 78496175 125593880 156992350 260607301 313984700 521214602 627969400 1042429204 1303036505 2084858408 2606073010 5212146020 6515182525 10424292040 13030365050 26060730100 52121460200