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52011031200 = 2535231699073
BaseRepresentation
bin110000011100000110…
…010101101010100000
311222020201221010210220
4300130012111222200
51323004310444300
635521000523040
73520611320322
oct603406255240
9158221833726
1052011031200
112006a964607
12a0b6480480
134b9b5aa10b
14273585b612
1515461d5da0
hexc1c195aa0

52011031200 has 144 divisors (see below), whose sum is σ = 174757314816. Its totient is φ = 13422182400.

The previous prime is 52011031153. The next prime is 52011031207. The reversal of 52011031200 is 213011025.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 52011031200.

It is not an unprimeable number, because it can be changed into a prime (52011031207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 275137 + ... + 423936.

It is an arithmetic number, because the mean of its divisors is an integer number (1213592464).

Almost surely, 252011031200 is an apocalyptic number.

52011031200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52011031200 is an abundant number, since it is smaller than the sum of its proper divisors (122746283616).

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

52011031200 is a wasteful number, since it uses less digits than its factorization.

52011031200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699127 (or 699114 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

Adding to 52011031200 its reverse (213011025), we get a palindrome (52224042225).

The spelling of 52011031200 in words is "fifty-two billion, eleven million, thirty-one thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 31 32 40 48 50 60 62 75 80 93 96 100 120 124 150 155 160 186 200 240 248 300 310 372 400 465 480 496 600 620 744 775 800 930 992 1200 1240 1488 1550 1860 2325 2400 2480 2976 3100 3720 4650 4960 6200 7440 9300 12400 14880 18600 24800 37200 74400 699073 1398146 2097219 2796292 3495365 4194438 5592584 6990730 8388876 10486095 11185168 13981460 16777752 17476825 20972190 21671263 22370336 27962920 33555504 34953650 41944380 43342526 52430475 55925840 65013789 67111008 69907300 83888760 86685052 104860950 108356315 111851680 130027578 139814600 167777520 173370104 209721900 216712630 260055156 279629200 325068945 335555040 346740208 419443800 433425260 520110312 541781575 559258400 650137890 693480416 838887600 866850520 1040220624 1083563150 1300275780 1625344725 1677775200 1733701040 2080441248 2167126300 2600551560 3250689450 3467402080 4334252600 5201103120 6501378900 8668505200 10402206240 13002757800 17337010400 26005515600 52011031200