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8985694671128 = 2378291109174533
BaseRepresentation
bin1000001011000010010100…
…1000111001000100011000
31011211000122111210211022002
42002300211020321010120
52134210200313434003
631035545433420132
71615123614324140
oct202604510710430
934730574724262
108985694671128
1129548a242688a
1210115a2b6a648
13502469238656
14230ca4c4d920
15108b12885a88
hex82c25239118

8985694671128 has 64 divisors (see below), whose sum is σ = 19295780904000. Its totient is φ = 3842876293632.

The previous prime is 8985694671127. The next prime is 8985694671137. The reversal of 8985694671128 is 8211764965898.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8985694671127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51396950 + ... + 51571482.

It is an arithmetic number, because the mean of its divisors is an integer number (301496576625).

Almost surely, 28985694671128 is an apocalyptic number.

It is an amenable number.

8985694671128 is an abundant number, since it is smaller than the sum of its proper divisors (10310086232872).

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

8985694671128 is a wasteful number, since it uses less digits than its factorization.

8985694671128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176484 (or 176480 counting only the distinct ones).

The product of its digits is 418037760, while the sum is 74.

The spelling of 8985694671128 in words is "eight trillion, nine hundred eighty-five billion, six hundred ninety-four million, six hundred seventy-one thousand, one hundred twenty-eight".

Divisors: 1 2 4 7 8 14 28 56 829 1109 1658 2218 3316 4436 5803 6632 7763 8872 11606 15526 23212 31052 46424 62104 174533 349066 698132 919361 1221731 1396264 1838722 2443462 3677444 4886924 6435527 7354888 9773848 12871054 25742108 51484216 144687857 193557097 289375714 387114194 578751428 774228388 1012814999 1157502856 1354899679 1548456776 2025629998 2709799358 4051259996 5419598716 8102519992 10839197432 160458833413 320917666826 641835333652 1123211833891 1283670667304 2246423667782 4492847335564 8985694671128