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52051344400 = 24521121075441
BaseRepresentation
bin110000011110100000…
…000111110000010000
311222100112210021010101
4300132200013300100
51323100121010100
635525000542144
73521611061446
oct603640076020
9158315707111
1052051344400
1120090699500
12a107a81954
134ba6a53393
14273ad52b96
1515499ea86a
hexc1e807c10

52051344400 has 90 divisors (see below), whose sum is σ = 137455468346. Its totient is φ = 18927744000.

The previous prime is 52051344343. The next prime is 52051344409. The reversal of 52051344400 is 444315025.

It can be written as a sum of positive squares in 3 ways, for example, as 83759104 + 51967585296 = 9152^2 + 227964^2 .

It is a super-2 number, since 2×520513444002 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52051344409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 489321 + ... + 586120.

Almost surely, 252051344400 is an apocalyptic number.

52051344400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52051344400 is an abundant number, since it is smaller than the sum of its proper divisors (85404123946).

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

52051344400 is a wasteful number, since it uses less digits than its factorization.

52051344400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075481 (or 1075459 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 52051344400 its reverse (444315025), we get a palindrome (52495659425).

The spelling of 52051344400 in words is "fifty-two billion, fifty-one million, three hundred forty-four thousand, four hundred".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 40 44 50 55 80 88 100 110 121 176 200 220 242 275 400 440 484 550 605 880 968 1100 1210 1936 2200 2420 3025 4400 4840 6050 9680 12100 24200 48400 1075441 2150882 4301764 5377205 8603528 10754410 11829851 17207056 21508820 23659702 26886025 43017640 47319404 53772050 59149255 86035280 94638808 107544100 118298510 130128361 189277616 215088200 236597020 260256722 295746275 430176400 473194040 520513444 591492550 650641805 946388080 1041026888 1182985100 1301283610 2082053776 2365970200 2602567220 3253209025 4731940400 5205134440 6506418050 10410268880 13012836100 26025672200 52051344400