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52151766560 = 255521625621
BaseRepresentation
bin110000100100011111…
…001100111000100000
311222121112202020102122
4300210133030320200
51323301323012220
635542545203412
73524240462435
oct604437147040
9158545666378
1052151766560
1120132349123
12a135630568
134bc17b408a
14274a413b8c
151553735425
hexc247cce20

52151766560 has 48 divisors (see below), whose sum is σ = 123445230552. Its totient is φ = 20820633600.

The previous prime is 52151766559. The next prime is 52151766577. The reversal of 52151766560 is 6566715125.

It can be written as a sum of positive squares in 4 ways, for example, as 49431518224 + 2720248336 = 222332^2 + 52156^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229451 + ... + 396170.

Almost surely, 252151766560 is an apocalyptic number.

It is an amenable number.

52151766560 is an abundant number, since it is smaller than the sum of its proper divisors (71293463992).

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

52151766560 is a wasteful number, since it uses less digits than its factorization.

52151766560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626157 (or 626149 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 44.

The spelling of 52151766560 in words is "fifty-two billion, one hundred fifty-one million, seven hundred sixty-six thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 521 1042 2084 2605 4168 5210 8336 10420 16672 20840 41680 83360 625621 1251242 2502484 3128105 5004968 6256210 10009936 12512420 20019872 25024840 50049680 100099360 325948541 651897082 1303794164 1629742705 2607588328 3259485410 5215176656 6518970820 10430353312 13037941640 26075883280 52151766560