Search a number
-
+
52850807640 = 2333548935933
BaseRepresentation
bin110001001110001001…
…110101001101011000
312001102021010012112000
4301032021311031120
51331214301321030
640140200121000
73550456311201
oct611611651530
9161367105460
1052850807640
11204609a3024
12a2ab766160
134ca3578b57
1427b51bc5a8
151594cb8860
hexc4e275358

52850807640 has 64 divisors (see below), whose sum is σ = 176169362400. Its totient is φ = 14093548416.

The previous prime is 52850807593. The next prime is 52850807651. The reversal of 52850807640 is 4670805825.

52850807640 is a `hidden beast` number, since 528 + 5 + 0 + 80 + 7 + 6 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24466887 + ... + 24469046.

Almost surely, 252850807640 is an apocalyptic number.

It is an amenable number.

52850807640 is an abundant number, since it is smaller than the sum of its proper divisors (123318554760).

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

52850807640 is a wasteful number, since it uses less digits than its factorization.

52850807640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48935953 (or 48935943 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The spelling of 52850807640 in words is "fifty-two billion, eight hundred fifty million, eight hundred seven thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 90 108 120 135 180 216 270 360 540 1080 48935933 97871866 146807799 195743732 244679665 293615598 391487464 440423397 489359330 587231196 734038995 880846794 978718660 1174462392 1321270191 1468077990 1761693588 1957437320 2202116985 2642540382 2936155980 3523387176 4404233970 5285080764 5872311960 6606350955 8808467940 10570161528 13212701910 17616935880 26425403820 52850807640