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53546231140 = 2259412845177
BaseRepresentation
bin110001110111100110…
…101010010101100100
312010012201200101012221
4301313212222111210
51334130313344030
640333201322124
73603632312023
oct616746522544
9163181611187
1053546231140
11207884a6a96
12a464636344
13508467514c
14283d6c48ba
1515d5d84e7a
hexc779aa564

53546231140 has 24 divisors (see below), whose sum is σ = 112566622392. Its totient is φ = 21395723520.

The previous prime is 53546231113. The next prime is 53546231147. The reversal of 53546231140 is 4113264535.

It can be written as a sum of positive squares in 4 ways, for example, as 370793536 + 53175437604 = 19256^2 + 230598^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53546231096 and 53546231105.

It is not an unprimeable number, because it can be changed into a prime (53546231147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1403769 + ... + 1441408.

It is an arithmetic number, because the mean of its divisors is an integer number (4690275933).

Almost surely, 253546231140 is an apocalyptic number.

It is an amenable number.

53546231140 is an abundant number, since it is smaller than the sum of its proper divisors (59020391252).

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

53546231140 is a wasteful number, since it uses less digits than its factorization.

53546231140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2846127 (or 2846125 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 53546231140 its reverse (4113264535), we get a palindrome (57659495675).

The spelling of 53546231140 in words is "fifty-three billion, five hundred forty-six million, two hundred thirty-one thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 941 1882 3764 4705 9410 18820 2845177 5690354 11380708 14225885 28451770 56903540 2677311557 5354623114 10709246228 13386557785 26773115570 53546231140