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52115528031558 = 23172291036382453
BaseRepresentation
bin10111101100110000101111…
…00010010001110101000110
320211112012021202101012011120
423312120113202101311012
523312330100134002213
6302501313145014410
713656136240120545
oct1366302742216506
9224465252335146
1052115528031558
1115673086a19a02
125a18408a84406
13231061c830c24
14cc259551015c
156059a01e0423
hex2f6617891d46

52115528031558 has 48 divisors (see below), whose sum is σ = 114540988816080. Its totient is φ = 15786177508864.

The previous prime is 52115528031551. The next prime is 52115528031571. The reversal of 52115528031558 is 85513082551125.

52115528031558 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 52115528031558.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52115528031551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 518140941 + ... + 518241512.

It is an arithmetic number, because the mean of its divisors is an integer number (2386270600335).

Almost surely, 252115528031558 is an apocalyptic number.

52115528031558 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

52115528031558 is an abundant number, since it is smaller than the sum of its proper divisors (62425460784522).

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

52115528031558 is a wasteful number, since it uses less digits than its factorization.

52115528031558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036382521 (or 1036382504 counting only the distinct ones).

The product of its (nonzero) digits is 2400000, while the sum is 51.

The spelling of 52115528031558 in words is "fifty-two trillion, one hundred fifteen billion, five hundred twenty-eight million, thirty-one thousand, five hundred fifty-eight".

Divisors: 1 2 3 6 17 29 34 51 58 87 102 174 289 493 578 867 986 1479 1734 2958 8381 16762 25143 50286 1036382453 2072764906 3109147359 6218294718 17618501701 30055091137 35237003402 52855505103 60110182274 90165273411 105711010206 180330546822 299514528917 510936549329 599029057834 898543586751 1021873098658 1532809647987 1797087173502 3065619295974 8685921338593 17371842677186 26057764015779 52115528031558