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52652051312 = 2478319728751
BaseRepresentation
bin110001000010010011…
…101000101101110000
312000220102010100002112
4301002103220231300
51330312411120222
640104340104452
73542524023530
oct610223505560
9160812110075
1052652051312
112036978a4a3
12a255095128
134c71338963
142796a414c0
151582607be2
hexc424e8b70

52652051312 has 80 divisors (see below), whose sum is σ = 118594409472. Its totient is φ = 22179360000.

The previous prime is 52652051311. The next prime is 52652051323. The reversal of 52652051312 is 21315025625.

It is a super-2 number, since 2×526520513122 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52652051311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1816937 + ... + 1845687.

Almost surely, 252652051312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52652051312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59297204736).

52652051312 is an abundant number, since it is smaller than the sum of its proper divisors (65942358160).

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

52652051312 is a wasteful number, since it uses less digits than its factorization.

52652051312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29046 (or 29040 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 52652051312 its reverse (21315025625), we get a palindrome (73967076937).

The spelling of 52652051312 in words is "fifty-two billion, six hundred fifty-two million, fifty-one thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 56 83 112 166 197 332 394 581 664 788 1162 1328 1379 1576 2324 2758 3152 4648 5516 9296 11032 16351 22064 28751 32702 57502 65404 114457 115004 130808 201257 228914 230008 261616 402514 457828 460016 805028 915656 1610056 1831312 2386333 3220112 4772666 5663947 9545332 11327894 16704331 19090664 22655788 33408662 38181328 39647629 45311576 66817324 79295258 90623152 133634648 158590516 267269296 317181032 470107601 634362064 940215202 1880430404 3290753207 3760860808 6581506414 7521721616 13163012828 26326025656 52652051312