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2741666680 = 235531293239
BaseRepresentation
bin1010001101101010…
…1000001101111000
321002001221002122101
42203122220031320
521103331313210
61132015233144
7124640532214
oct24332501570
97061832571
102741666680
111187665835
126462187b4
13349014a9c
141c019b944
15110a65a3a
hexa36a8378

2741666680 has 32 divisors (see below), whose sum is σ = 6285146400. Its totient is φ = 1075974016.

The previous prime is 2741666591. The next prime is 2741666689. The reversal of 2741666680 is 866661472.

It is a self number, because there is not a number n which added to its sum of digits gives 2741666680.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2741666689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 644500 + ... + 648739.

It is an arithmetic number, because the mean of its divisors is an integer number (196410825).

Almost surely, 22741666680 is an apocalyptic number.

2741666680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2741666680 is an abundant number, since it is smaller than the sum of its proper divisors (3543479720).

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

2741666680 is a wasteful number, since it uses less digits than its factorization.

2741666680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293303 (or 1293299 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 46.

The square root of 2741666680 is about 52360.9270353381. The cubic root of 2741666680 is about 1399.6030643400.

The spelling of 2741666680 in words is "two billion, seven hundred forty-one million, six hundred sixty-six thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 53 106 212 265 424 530 1060 2120 1293239 2586478 5172956 6466195 10345912 12932390 25864780 51729560 68541667 137083334 274166668 342708335 548333336 685416670 1370833340 2741666680