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252527780249 = 67131239120383
BaseRepresentation
bin1110101100101111010…
…1000010000110011001
3220010211002120101201222
43223023311002012121
513114134102431444
6312002030421425
724146605500323
oct3531365020631
9803732511658
10252527780249
1198107391a38
1240b37061875
131aa75996b54
14c318414613
15687ebd0eee
hex3acbd42199

252527780249 has 16 divisors (see below), whose sum is σ = 259336028160. Its totient is φ = 245824859280.

The previous prime is 252527780231. The next prime is 252527780251. The reversal of 252527780249 is 942087725252.

252527780249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 252527780249 - 28 = 252527779993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252527780249.

It is not an unprimeable number, because it can be changed into a prime (252527780149) 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 15 ways as a sum of consecutive naturals, for example, 2037512 + ... + 2157894.

It is an arithmetic number, because the mean of its divisors is an integer number (16208501760).

Almost surely, 2252527780249 is an apocalyptic number.

It is an amenable number.

252527780249 is a deficient number, since it is larger than the sum of its proper divisors (6808247911).

252527780249 is a wasteful number, since it uses less digits than its factorization.

252527780249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120820.

The product of its (nonzero) digits is 5644800, while the sum is 53.

The spelling of 252527780249 in words is "two hundred fifty-two billion, five hundred twenty-seven million, seven hundred eighty thousand, two hundred forty-nine".

Divisors: 1 67 131 239 8777 16013 31309 120383 2097703 8065661 15770173 28771537 1056601591 1927692979 3769071347 252527780249