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2660793680 = 24581141011
BaseRepresentation
bin1001111010011000…
…0111110101010000
320212102202022202002
42132212013311100
520422130344210
61120010013132
7122636241656
oct23646076520
96772668662
102660793680
111145a48746
126231171a8
1333533a23c
141b3548dd6
151088dd4a5
hex9e987d50

2660793680 has 40 divisors (see below), whose sum is σ = 6194124384. Its totient is φ = 1062979200.

The previous prime is 2660793679. The next prime is 2660793697. The reversal of 2660793680 is 863970662.

2660793680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 44375 + ... + 85385.

Almost surely, 22660793680 is an apocalyptic number.

2660793680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2660793680 is an abundant number, since it is smaller than the sum of its proper divisors (3533330704).

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

2660793680 is a wasteful number, since it uses less digits than its factorization.

2660793680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41835 (or 41829 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 47.

The square root of 2660793680 is about 51582.8816566116. The cubic root of 2660793680 is about 1385.7037750495.

The spelling of 2660793680 in words is "two billion, six hundred sixty million, seven hundred ninety-three thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 811 1622 3244 4055 6488 8110 12976 16220 32440 41011 64880 82022 164044 205055 328088 410110 656176 820220 1640440 3280880 33259921 66519842 133039684 166299605 266079368 332599210 532158736 665198420 1330396840 2660793680