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52530513245 = 5719712111093
BaseRepresentation
bin110000111011000100…
…000000010101011101
312000120221102120012122
4300323010000111131
51330040302410440
640044315112325
73536516665250
oct607304002535
9160527376178
1052530513245
1120307118111
12a2204426a5
134c520c3942
142784845097
151576aeb7b5
hexc3b10055d

52530513245 has 32 divisors (see below), whose sum is σ = 75851009280. Its totient is φ = 34117217280.

The previous prime is 52530513239. The next prime is 52530513253. The reversal of 52530513245 is 54231503525.

It is not a de Polignac number, because 52530513245 - 24 = 52530513229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4729919 + ... + 4741011.

It is an arithmetic number, because the mean of its divisors is an integer number (2370344040).

Almost surely, 252530513245 is an apocalyptic number.

It is an amenable number.

52530513245 is a deficient number, since it is larger than the sum of its proper divisors (23320496035).

52530513245 is a wasteful number, since it uses less digits than its factorization.

52530513245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18245.

The product of its (nonzero) digits is 90000, while the sum is 35.

The spelling of 52530513245 in words is "fifty-two billion, five hundred thirty million, five hundred thirteen thousand, two hundred forty-five".

Divisors: 1 5 7 19 35 95 133 665 7121 11093 35605 49847 55465 77651 135299 210767 249235 388255 676495 947093 1053835 1475369 4735465 7376845 78993253 394966265 552952771 1500871807 2764763855 7504359035 10506102649 52530513245