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2814941680 = 24543839859
BaseRepresentation
bin1010011111001000…
…1001100111110000
321021011210212001021
42213302021213300
521231111113210
61143153545224
7126520416025
oct24762114760
97234725037
102814941680
111214a63391
12666875214
1335b25c185
141c9bd354c
151171dbbda
hexa7c899f0

2814941680 has 80 divisors (see below), whose sum is σ = 6778316160. Its totient is φ = 1086430464.

The previous prime is 2814941669. The next prime is 2814941683. The reversal of 2814941680 is 861494182.

2814941680 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 (80).

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2814941683) 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, 280591 + ... + 290449.

It is an arithmetic number, because the mean of its divisors is an integer number (84728952).

Almost surely, 22814941680 is an apocalyptic number.

2814941680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2814941680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3389158080).

2814941680 is an abundant number, since it is smaller than the sum of its proper divisors (3963374480).

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

2814941680 is a wasteful number, since it uses less digits than its factorization.

2814941680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9998 (or 9992 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 2814941680 is about 53056.0239746629. The cubic root of 2814941680 is about 1411.9624067439.

The spelling of 2814941680 in words is "two billion, eight hundred fourteen million, nine hundred forty-one thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 43 80 83 86 166 172 215 332 344 415 430 664 688 830 860 1328 1660 1720 3320 3440 3569 6640 7138 9859 14276 17845 19718 28552 35690 39436 49295 57104 71380 78872 98590 142760 157744 197180 285520 394360 423937 788720 818297 847874 1636594 1695748 2119685 3273188 3391496 4091485 4239370 6546376 6782992 8182970 8478740 13092752 16365940 16957480 32731880 33914960 35186771 65463760 70373542 140747084 175933855 281494168 351867710 562988336 703735420 1407470840 2814941680