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52137151121200 = 2452142791340489
BaseRepresentation
bin10111101101011001000000…
…10111110100011100110000
320211121021002201000221211111
423312230200113310130300
523313203341141334300
6302515250534523104
713660533131262325
oct1366544027643460
9224537081027744
1052137151121200
1115681272660222
125a20642506494
132312687567122
14cc36471bab4c
156063186bb9ba
hex2f6b205f4730

52137151121200 has 60 divisors (see below), whose sum is σ = 125347285150920. Its totient is φ = 20840245742080.

The previous prime is 52137151121129. The next prime is 52137151121221. The reversal of 52137151121200 is 212115173125.

52137151121200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45099445 + ... + 46241044.

It is an arithmetic number, because the mean of its divisors is an integer number (2089121419182).

Almost surely, 252137151121200 is an apocalyptic number.

52137151121200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52137151121200 is an abundant number, since it is smaller than the sum of its proper divisors (73210134029720).

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

52137151121200 is a wasteful number, since it uses less digits than its factorization.

52137151121200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91341934 (or 91341923 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 31.

Adding to 52137151121200 its reverse (212115173125), we get a palindrome (52349266294325).

The spelling of 52137151121200 in words is "fifty-two trillion, one hundred thirty-seven billion, one hundred fifty-one million, one hundred twenty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 1427 2854 5708 7135 11416 14270 22832 28540 35675 57080 71350 114160 142700 285400 570800 91340489 182680978 365361956 456702445 730723912 913404890 1461447824 1826809780 2283512225 3653619560 4567024450 7307239120 9134048900 18268097800 36536195600 130342877803 260685755606 521371511212 651714389015 1042743022424 1303428778030 2085486044848 2606857556060 3258571945075 5213715112120 6517143890150 10427430224240 13034287780300 26068575560600 52137151121200