Search a number
-
+
52851011136 = 26372112172731
BaseRepresentation
bin110001001110001010…
…100110111001000000
312001102021111112122220
4301032022212321000
51331214324324021
640140204331040
73550461116400
oct611612467100
9161367445586
1052851011136
1120461021a00
12a2ab843a80
134ca361a671
1427b5232800
151594d08cc6
hexc4e2a6e40

52851011136 has 504 divisors, whose sum is σ = 189384054048. Its totient is φ = 12915302400.

The previous prime is 52851011113. The next prime is 52851011141. The reversal of 52851011136 is 63111015825.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 52851011097 and 52851011106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 19350891 + ... + 19353621.

It is an arithmetic number, because the mean of its divisors is an integer number (375762012).

Almost surely, 252851011136 is an apocalyptic number.

52851011136 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52851011136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94692027024).

52851011136 is an abundant number, since it is smaller than the sum of its proper divisors (136533042912).

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

52851011136 is a wasteful number, since it uses less digits than its factorization.

52851011136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2799 (or 2771 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 33.

The spelling of 52851011136 in words is "fifty-two billion, eight hundred fifty-one million, eleven thousand, one hundred thirty-six".