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813895745896352 = 25720681175690883
BaseRepresentation
bin1011100100001110111101111…
…0110100010111111110100000
310221201202200011220221222200002
42321003233132310113332200
51323134331441422140402
612003002313253515132
7333302012213060360
oct27103573664277640
93851680156858602
10813895745896352
1121637227a381839
127734a546642aa8
1328c1b068a70102
14104daa9b2c29a0
156416469705602
hex2e43bded17fa0

813895745896352 has 48 divisors (see below), whose sum is σ = 1831353986895552. Its totient is φ = 348795594216960.

The previous prime is 813895745896301. The next prime is 813895745896393. The reversal of 813895745896352 is 253698547598318.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83212898 + ... + 92477985.

It is an arithmetic number, because the mean of its divisors is an integer number (38153208060324).

Almost surely, 2813895745896352 is an apocalyptic number.

It is an amenable number.

813895745896352 is an abundant number, since it is smaller than the sum of its proper divisors (1017458240999200).

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

813895745896352 is a wasteful number, since it uses less digits than its factorization.

813895745896352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175711581 (or 175711573 counting only the distinct ones).

The product of its digits is 15676416000, while the sum is 83.

The spelling of 813895745896352 in words is "eight hundred thirteen trillion, eight hundred ninety-five billion, seven hundred forty-five million, eight hundred ninety-six thousand, three hundred fifty-two".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 20681 41362 82724 144767 165448 289534 330896 579068 661792 1158136 2316272 4632544 175690883 351381766 702763532 1229836181 1405527064 2459672362 2811054128 4919344724 5622108256 9838689448 19677378896 39354757792 3633463151323 7266926302646 14533852605292 25434242059261 29067705210584 50868484118522 58135410421168 101736968237044 116270820842336 203473936474088 406947872948176 813895745896352