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52540977708 = 22322997518831
BaseRepresentation
bin110000111011101011…
…111011001000101100
312000121200010012202100
4300323223323020230
51330100442241313
640045331255100
73540004641012
oct607353731054
9160550105670
1052540977708
112031201522a
12a223a4a490
134c54318a2b
142785daa8b2
1515779b7173
hexc3bafb22c

52540977708 has 72 divisors (see below), whose sum is σ = 138808313280. Its totient is φ = 16735380480.

The previous prime is 52540977689. The next prime is 52540977757. The reversal of 52540977708 is 80777904525.

It is a happy number.

52540977708 is a `hidden beast` number, since 5 + 2 + 540 + 97 + 7 + 7 + 0 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 158148 + ... + 360683.

It is an arithmetic number, because the mean of its divisors is an integer number (1927893240).

Almost surely, 252540977708 is an apocalyptic number.

52540977708 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

52540977708 is an abundant number, since it is smaller than the sum of its proper divisors (86267335572).

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

52540977708 is a wasteful number, since it uses less digits than its factorization.

52540977708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518967 (or 518962 counting only the distinct ones).

The product of its (nonzero) digits is 4939200, while the sum is 54.

The spelling of 52540977708 in words is "fifty-two billion, five hundred forty million, nine hundred seventy-seven thousand, seven hundred eight".

Divisors: 1 2 3 4 6 9 12 18 29 36 58 87 97 116 174 194 261 291 348 388 522 582 873 1044 1164 1746 2813 3492 5626 8439 11252 16878 25317 33756 50634 101268 518831 1037662 1556493 2075324 3112986 4669479 6225972 9338958 15046099 18677916 30092198 45138297 50326607 60184396 90276594 100653214 135414891 150979821 180553188 201306428 270829782 301959642 452939463 541659564 603919284 905878926 1459471603 1811757852 2918943206 4378414809 5837886412 8756829618 13135244427 17513659236 26270488854 52540977708