Search a number
-
+
55137646833140 = 22529557317058121
BaseRepresentation
bin11001000100101101110111…
…10110100110110111110100
321020020002220102002000020002
430202112323312212313310
524211333400042130030
6313133515115130432
714420364201103634
oct1442267366466764
9236202812060202
1055137646833140
1116628821224693
126226066443a18
13249c5c49aa3b1
14d88967c706c4
156593cb6cd245
hex3225bbda6df4

55137646833140 has 48 divisors (see below), whose sum is σ = 119803284755280. Its totient is φ = 21290717199360.

The previous prime is 55137646833047. The next prime is 55137646833161. The reversal of 55137646833140 is 4133864673155.

It can be written as a sum of positive squares in 8 ways, for example, as 16807605685264 + 38330041147876 = 4099708^2 + 6191126^2 .

It is a congruent number.

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, 5296721 + ... + 11761400.

It is an arithmetic number, because the mean of its divisors is an integer number (2495901765735).

Almost surely, 255137646833140 is an apocalyptic number.

It is an amenable number.

55137646833140 is an abundant number, since it is smaller than the sum of its proper divisors (64665637922140).

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

55137646833140 is a wasteful number, since it uses less digits than its factorization.

55137646833140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17063732 (or 17063730 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 56.

The spelling of 55137646833140 in words is "fifty-five trillion, one hundred thirty-seven billion, six hundred forty-six million, eight hundred thirty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 5573 11146 22292 27865 55730 111460 161617 323234 646468 808085 1616170 3232340 17058121 34116242 68232484 85290605 170581210 341162420 494685509 989371018 1978742036 2473427545 4946855090 9893710180 95064908333 190129816666 380259633332 475324541665 950649083330 1901298166660 2756882341657 5513764683314 11027529366628 13784411708285 27568823416570 55137646833140