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4226765308240 = 245137472181689
BaseRepresentation
bin111101100000011110110…
…110000100000101010000
3112222002000112121220220011
4331200132312010011100
51023222403404330430
612553425453324304
7614242120216546
oct75403666040520
915862015556804
104226765308240
11138a619909022
12583213196694
132487752b57b7
1410881000dd96
1574e340a622a
hex3d81ed84150

4226765308240 has 80 divisors (see below), whose sum is σ = 9901178940240. Its totient is φ = 1677989150720.

The previous prime is 4226765308231. The next prime is 4226765308243. The reversal of 4226765308240 is 428035676224.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 249804038416 + 3976961269824 = 499804^2 + 1994232^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4226765308243) 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, 51701316 + ... + 51783004.

It is an arithmetic number, because the mean of its divisors is an integer number (123764736753).

Almost surely, 24226765308240 is an apocalyptic number.

4226765308240 is a gapful number since it is divisible by the number (40) 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 4226765308240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4950589470120).

4226765308240 is an abundant number, since it is smaller than the sum of its proper divisors (5674413632000).

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

4226765308240 is a wasteful number, since it uses less digits than its factorization.

4226765308240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86560 (or 86554 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 49.

The spelling of 4226765308240 in words is "four trillion, two hundred twenty-six billion, seven hundred sixty-five million, three hundred eight thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 137 274 548 685 1096 1370 2192 2740 4721 5480 9442 10960 18884 23605 37768 47210 75536 81689 94420 163378 188840 326756 377680 408445 646777 653512 816890 1293554 1307024 1633780 2587108 3233885 3267560 5174216 6467770 6535120 10348432 11191393 12935540 22382786 25871080 44765572 51742160 55956965 89531144 111913930 179062288 223827860 385653769 447655720 771307538 895311440 1542615076 1928268845 3085230152 3856537690 6170460304 7713075380 15426150760 30852301520 52834566353 105669132706 211338265412 264172831765 422676530824 528345663530 845353061648 1056691327060 2113382654120 4226765308240