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8005685376 = 273133175059
BaseRepresentation
bin1110111010010110…
…10001000010000000
3202122221002221202210
413131023101002000
5112343423413001
63402221342120
7402250126413
oct73513210200
922587087683
108005685376
113439000a07
121675107940
139a7783b50
1455d347b7a
1531cc6edd6
hex1dd2d1080

8005685376 has 128 divisors (see below), whose sum is σ = 22977662400. Its totient is φ = 2455031808.

The previous prime is 8005685333. The next prime is 8005685377. The reversal of 8005685376 is 6735865008.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×80056853762 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (8005685377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1579935 + ... + 1584993.

Almost surely, 28005685376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8005685376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11488831200).

8005685376 is an abundant number, since it is smaller than the sum of its proper divisors (14971977024).

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

8005685376 is a wasteful number, since it uses less digits than its factorization.

8005685376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5406 (or 5394 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 48.

The square root of 8005685376 is about 89474.4956733482. The cubic root of 8005685376 is about 2000.4736691432.

The spelling of 8005685376 in words is "eight billion, five million, six hundred eighty-five thousand, three hundred seventy-six".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 128 156 192 208 312 317 384 416 624 634 832 951 1248 1268 1664 1902 2496 2536 3804 4121 4992 5059 5072 7608 8242 10118 10144 12363 15177 15216 16484 20236 20288 24726 30354 30432 32968 40472 40576 49452 60708 60864 65767 65936 80944 98904 121416 121728 131534 131872 161888 197301 197808 242832 263068 263744 323776 394602 395616 485664 526136 527488 647552 789204 791232 971328 1052272 1578408 1582464 1603703 1942656 2104544 3156816 3207406 4209088 4811109 6313632 6414812 8418176 9622218 12627264 12829624 19244436 20848139 25254528 25659248 38488872 41696278 51318496 62544417 76977744 83392556 102636992 125088834 153955488 166785112 205273984 250177668 307910976 333570224 500355336 615821952 667140448 1000710672 1334280896 2001421344 2668561792 4002842688 8005685376