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208741225531 = 7111503255587
BaseRepresentation
bin1100001001100111110…
…0100101010000111011
3201221210112102221200011
43002121330211100323
511410000223204111
6235521104522351
721036542066356
oct3023174452073
9657715387604
10208741225531
1180587a86333
12345570203b7
13168b82a6c87
14a162db529d
15566aa87021
hex3099f2543b

208741225531 has 8 divisors (see below), whose sum is σ = 211700473344. Its totient is φ = 205782512040.

The previous prime is 208741225513. The next prime is 208741225541. The reversal of 208741225531 is 135522147802.

208741225531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 208741225531 - 213 = 208741217339 is a prime.

It is a super-2 number, since 2×2087412255312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (208741225501) 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 7 ways as a sum of consecutive naturals, for example, 688920 + ... + 944506.

It is an arithmetic number, because the mean of its divisors is an integer number (26462559168).

Almost surely, 2208741225531 is an apocalyptic number.

208741225531 is a deficient number, since it is larger than the sum of its proper divisors (2959247813).

208741225531 is a wasteful number, since it uses less digits than its factorization.

208741225531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267161.

The product of its (nonzero) digits is 134400, while the sum is 40.

The spelling of 208741225531 in words is "two hundred eight billion, seven hundred forty-one million, two hundred twenty-five thousand, five hundred thirty-one".

Divisors: 1 71 11503 255587 816713 18146677 2940017261 208741225531