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6766893680 = 245101983009
BaseRepresentation
bin1100100110101011…
…01001101001110000
3122110121002211000212
412103111221221300
5102324311044210
63035250003252
7326455435001
oct62325515160
918417084025
106766893680
11296280a418
12138a276528
1383ac29b01
144829db1a8
15299120805
hex193569a70

6766893680 has 40 divisors (see below), whose sum is σ = 15748657200. Its totient is φ = 2704068608.

The previous prime is 6766893649. The next prime is 6766893701. The reversal of 6766893680 is 863986676.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40016 + ... + 123024.

It is an arithmetic number, because the mean of its divisors is an integer number (393716430).

Almost surely, 26766893680 is an apocalyptic number.

It is an amenable number.

6766893680 is an abundant number, since it is smaller than the sum of its proper divisors (8981763520).

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

6766893680 is a wasteful number, since it uses less digits than its factorization.

6766893680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84041 (or 84035 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 59.

The square root of 6766893680 is about 82261.1310401213. The cubic root of 6766893680 is about 1891.4569060130.

The spelling of 6766893680 in words is "six billion, seven hundred sixty-six million, eight hundred ninety-three thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1019 2038 4076 5095 8152 10190 16304 20380 40760 81520 83009 166018 332036 415045 664072 830090 1328144 1660180 3320360 6640720 84586171 169172342 338344684 422930855 676689368 845861710 1353378736 1691723420 3383446840 6766893680