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208564816096 = 25713193769607
BaseRepresentation
bin1100001000111101101…
…1101000100011100000
3201221100020111102102101
43002033123220203200
511404120043103341
6235451403500144
721032300454220
oct3021733504340
9657306442371
10208564816096
11804a744630a
1234507b27654
131688a88c4b0
14a1477b4080
15565a33c831
hex308f6e88e0

208564816096 has 96 divisors (see below), whose sum is σ = 531967080960. Its totient is φ = 78166550016.

The previous prime is 208564816043. The next prime is 208564816099. The reversal of 208564816096 is 690618465802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208564816099) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1829476 + ... + 1940131.

It is an arithmetic number, because the mean of its divisors is an integer number (5541323760).

Almost surely, 2208564816096 is an apocalyptic number.

208564816096 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

208564816096 is an abundant number, since it is smaller than the sum of its proper divisors (323402264864).

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

208564816096 is a wasteful number, since it uses less digits than its factorization.

208564816096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3769656 (or 3769648 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 55.

The spelling of 208564816096 in words is "two hundred eight billion, five hundred sixty-four million, eight hundred sixteen thousand, ninety-six".

Divisors: 1 2 4 7 8 13 14 16 19 26 28 32 38 52 56 76 91 104 112 133 152 182 208 224 247 266 304 364 416 494 532 608 728 988 1064 1456 1729 1976 2128 2912 3458 3952 4256 6916 7904 13832 27664 55328 3769607 7539214 15078428 26387249 30156856 49004891 52774498 60313712 71622533 98009782 105548996 120627424 143245066 196019564 211097992 286490132 343034237 392039128 422195984 501357731 572980264 686068474 784078256 844391968 931092929 1002715462 1145960528 1372136948 1568156512 1862185858 2005430924 2291921056 2744273896 3724371716 4010861848 5488547792 6517650503 7448743432 8021723696 10977095584 13035301006 14897486864 16043447392 26070602012 29794973728 52141204024 104282408048 208564816096