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52544252151040 = 2851331383265957
BaseRepresentation
bin10111111001001111010010…
…11111000000010100000000
320220001011220021110000111111
423330213221133000110000
523341341112022313130
6303430255102453104
714032124360034256
oct1374475137002400
9226034807400444
1052544252151040
111581898a571421
125a87517894194
132341b950c2870
14cd92264b85d6
15611be36d902a
hex2fc9e97c0500

52544252151040 has 288 divisors, whose sum is σ = 140279576887296. Its totient is φ = 18726025789440.

The previous prime is 52544252151019. The next prime is 52544252151077. The reversal of 52544252151040 is 4015125244525.

It is a super-2 number, since 2×525442521510402 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 52544252150984 and 52544252151002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197433742 + ... + 197699698.

It is an arithmetic number, because the mean of its divisors is an integer number (487081864192).

Almost surely, 252544252151040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52544252151040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70139788443648).

52544252151040 is an abundant number, since it is smaller than the sum of its proper divisors (87735324736256).

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

52544252151040 is a wasteful number, since it uses less digits than its factorization.

52544252151040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266405 (or 266391 counting only the distinct ones).

The product of its (nonzero) digits is 320000, while the sum is 40.

Adding to 52544252151040 its reverse (4015125244525), we get a palindrome (56559377395565).

The spelling of 52544252151040 in words is "fifty-two trillion, five hundred forty-four billion, two hundred fifty-two million, one hundred fifty-one thousand, forty".