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6894734385 = 3572117112011
BaseRepresentation
bin1100110101111010…
…10100110000110001
3122210111122210111210
412122331110300301
5103110023000020
63100054030333
7332600163300
oct63275246061
918714583453
106894734385
112a18996aa0
1214050483a9
1385b56a7b6
14495998437
152a54743e0
hex19af54c31

6894734385 has 96 divisors (see below), whose sum is σ = 14197607424. Its totient is φ = 2824752000.

The previous prime is 6894734381. The next prime is 6894734389. The reversal of 6894734385 is 5834374986.

It is an interprime number because it is at equal distance from previous prime (6894734381) and next prime (6894734389).

It is not a de Polignac number, because 6894734385 - 22 = 6894734381 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6894734381) 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 95 ways as a sum of consecutive naturals, for example, 568030 + ... + 580040.

It is an arithmetic number, because the mean of its divisors is an integer number (147891744).

Almost surely, 26894734385 is an apocalyptic number.

It is an amenable number.

6894734385 is an abundant number, since it is smaller than the sum of its proper divisors (7302873039).

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

6894734385 is a wasteful number, since it uses less digits than its factorization.

6894734385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12115 (or 12108 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 57.

The square root of 6894734385 is about 83034.5373022575. The cubic root of 6894734385 is about 1903.2938602977.

The spelling of 6894734385 in words is "six billion, eight hundred ninety-four million, seven hundred thirty-four thousand, three hundred eighty-five".

Divisors: 1 3 5 7 11 15 21 33 35 49 55 71 77 105 147 165 213 231 245 355 385 497 539 735 781 1065 1155 1491 1617 2343 2485 2695 3479 3905 5467 7455 8085 10437 11715 12011 16401 17395 27335 36033 38269 52185 60055 82005 84077 114807 132121 180165 191345 252231 396363 420385 574035 588539 660605 852781 924847 1261155 1765617 1981815 2558343 2774541 2942695 4263905 4624235 5969467 6473929 8828085 9380591 12791715 13872705 17908401 19421787 28141773 29847335 32369645 41786269 46902955 65664137 89542005 97108935 125358807 140708865 196992411 208931345 328320685 459648959 626794035 984962055 1378946877 2298244795 6894734385