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52130336500 = 22531113172353
BaseRepresentation
bin110000100011001101…
…011100111011110100
311222120001102110220201
4300203031130323310
51323230331232000
635540502010244
73523560356224
oct604315347364
9158501373821
1052130336500
1120121241430
12a12a416984
134bba21ca78
142747636084
15155190096a
hexc2335cef4

52130336500 has 96 divisors (see below), whose sum is σ = 125152739712. Its totient is φ = 18811520000.

The previous prime is 52130336473. The next prime is 52130336507. The reversal of 52130336500 is 563303125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52130336507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 684324 + ... + 756676.

It is an arithmetic number, because the mean of its divisors is an integer number (1303674372).

Almost surely, 252130336500 is an apocalyptic number.

52130336500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52130336500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62576369856).

52130336500 is an abundant number, since it is smaller than the sum of its proper divisors (73022403212).

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

52130336500 is a wasteful number, since it uses less digits than its factorization.

52130336500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72514 (or 72502 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 28.

Adding to 52130336500 its reverse (563303125), we get a palindrome (52693639625).

The spelling of 52130336500 in words is "fifty-two billion, one hundred thirty million, three hundred thirty-six thousand, five hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 125 131 220 250 262 275 500 524 550 655 1100 1310 1375 1441 2620 2750 2882 3275 5500 5764 6550 7205 13100 14410 16375 28820 32750 36025 65500 72050 72353 144100 144706 180125 289412 360250 361765 720500 723530 795883 1447060 1591766 1808825 3183532 3617650 3979415 7235300 7958830 9044125 9478243 15917660 18088250 18956486 19897075 36176500 37912972 39794150 47391215 79588300 94782430 99485375 104260673 189564860 198970750 208521346 236956075 397941500 417042692 473912150 521303365 947824300 1042606730 1184780375 2085213460 2369560750 2606516825 4739121500 5213033650 10426067300 13032584125 26065168250 52130336500