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208087000832 = 281037891649
BaseRepresentation
bin1100000111001011110…
…0111010011100000000
3201220002221101220002202
43001302330322130000
511402130233011312
6235332134332332
721014406215624
oct3016274723400
9656087356082
10208087000832
1180281761667
12343b3aba0a8
13168128a4079
14a100155184
15562d4079c2
hex3072f3a700

208087000832 has 36 divisors (see below), whose sum is σ = 419393847600. Its totient is φ = 103033356288.

The previous prime is 208087000829. The next prime is 208087000909. The reversal of 208087000832 is 238000780802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3919457 + ... + 3972192.

It is an arithmetic number, because the mean of its divisors is an integer number (11649829100).

Almost surely, 2208087000832 is an apocalyptic number.

It is an amenable number.

208087000832 is an abundant number, since it is smaller than the sum of its proper divisors (211306846768).

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

208087000832 is an equidigital number, since it uses as much as digits as its factorization.

208087000832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7891768 (or 7891754 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

The spelling of 208087000832 in words is "two hundred eight billion, eighty-seven million, eight hundred thirty-two", and thus it is an aban number.

Divisors: 1 2 4 8 16 32 64 103 128 206 256 412 824 1648 3296 6592 13184 26368 7891649 15783298 31566596 63133192 126266384 252532768 505065536 812839847 1010131072 1625679694 2020262144 3251359388 6502718776 13005437552 26010875104 52021750208 104043500416 208087000832