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52201430380 = 22511221570839
BaseRepresentation
bin110000100111011100…
…101001110101101100
311222202000012102101101
4300213130221311230
51323402031233010
635551521452444
73525412560061
oct604734516554
9158660172341
1052201430380
112015838a300
12a14a1a1124
134bcbb82458
142752c60c68
151557c9573a
hexc27729d6c

52201430380 has 36 divisors (see below), whose sum is σ = 120494712240. Its totient is φ = 18982337440.

The previous prime is 52201430363. The next prime is 52201430383. The reversal of 52201430380 is 8303410225.

It is not an unprimeable number, because it can be changed into a prime (52201430383) 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 11 ways as a sum of consecutive naturals, for example, 10783000 + ... + 10787839.

It is an arithmetic number, because the mean of its divisors is an integer number (3347075340).

Almost surely, 252201430380 is an apocalyptic number.

It is an amenable number.

52201430380 is an abundant number, since it is smaller than the sum of its proper divisors (68293281860).

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

52201430380 is a wasteful number, since it uses less digits than its factorization.

52201430380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21570870 (or 21570857 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The spelling of 52201430380 in words is "fifty-two billion, two hundred one million, four hundred thirty thousand, three hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 121 220 242 484 605 1210 2420 21570839 43141678 86283356 107854195 215708390 237279229 431416780 474558458 949116916 1186396145 2372792290 2610071519 4745584580 5220143038 10440286076 13050357595 26100715190 52201430380