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53738357348172 = 22372152129726423
BaseRepresentation
bin11000011011111111011111…
…01100110101011101001100
321001021100002112001010010210
430031333233230311131030
524020422123440120142
6310143021025202420
714214316406531160
oct1415775754653514
9231240075033123
1053738357348172
1116139344848902
12603aa2b190410
1323ca675354a23
14d3ad43b78ca0
15632cd0b1b49c
hex30dfefb3574c

53738357348172 has 48 divisors (see below), whose sum is σ = 143308949801472. Its totient is φ = 15353102434560.

The previous prime is 53738357348167. The next prime is 53738357348177. The reversal of 53738357348172 is 27184375383735.

It is an interprime number because it is at equal distance from previous prime (53738357348167) and next prime (53738357348177).

It is a super-2 number, since 2×537383573481722 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53738357348177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13055448 + ... + 16670975.

It is an arithmetic number, because the mean of its divisors is an integer number (2985603120864).

Almost surely, 253738357348172 is an apocalyptic number.

It is an amenable number.

53738357348172 is an abundant number, since it is smaller than the sum of its proper divisors (89570592453300).

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

53738357348172 is a wasteful number, since it uses less digits than its factorization.

53738357348172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29747958 (or 29747956 counting only the distinct ones).

The product of its digits is 355622400, while the sum is 66.

The spelling of 53738357348172 in words is "fifty-three trillion, seven hundred thirty-eight billion, three hundred fifty-seven million, three hundred forty-eight thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 21521 43042 64563 86084 129126 150647 258252 301294 451941 602588 903882 1807764 29726423 59452846 89179269 118905692 178358538 208084961 356717076 416169922 624254883 832339844 1248509766 2497019532 639742349383 1279484698766 1919227048149 2558969397532 3838454096298 4478196445681 7676908192596 8956392891362 13434589337043 17912785782724 26869178674086 53738357348172