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2802082668 = 2237112377451
BaseRepresentation
bin1010011100000100…
…0110001101101100
321020021121112210120
42213001012031230
521214313121133
61142014204540
7126303211140
oct24701061554
97207545716
102802082668
111208780200
126624b3750
133586a91a8
141c8207220
15115eebab3
hexa704636c

2802082668 has 144 divisors (see below), whose sum is σ = 8436379392. Its totient is φ = 708048000.

The previous prime is 2802082651. The next prime is 2802082687. The reversal of 2802082668 is 8662802082.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 372343 + ... + 379793.

It is an arithmetic number, because the mean of its divisors is an integer number (58585968).

Almost surely, 22802082668 is an apocalyptic number.

2802082668 is a gapful number since it is divisible by the number (28) 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 2802082668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4218189696).

2802082668 is an abundant number, since it is smaller than the sum of its proper divisors (5634296724).

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

2802082668 is a wasteful number, since it uses less digits than its factorization.

2802082668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7524 (or 7511 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The square root of 2802082668 is about 52934.7019260523. The cubic root of 2802082668 is about 1409.8091165569.

The spelling of 2802082668 in words is "two billion, eight hundred two million, eighty-two thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 7 11 12 14 21 22 28 33 37 42 44 66 74 77 84 111 121 132 148 154 222 231 242 259 308 363 407 444 462 484 518 726 777 814 847 924 1036 1221 1452 1554 1628 1694 2442 2541 2849 3108 3388 4477 4884 5082 5698 7451 8547 8954 10164 11396 13431 14902 17094 17908 22353 26862 29804 31339 34188 44706 52157 53724 62678 81961 89412 94017 104314 125356 156471 163922 188034 208628 245883 275687 312942 327844 376068 491766 551374 573727 625884 827061 901571 983532 1102748 1147454 1654122 1721181 1803142 1929809 2294908 2704713 3032557 3308244 3442362 3606284 3859618 5409426 5789427 6065114 6310997 6884724 7719236 9097671 10818852 11578854 12130228 12621994 18195342 18932991 21227899 23157708 25243988 33358127 36390684 37865982 42455798 63683697 66716254 75731964 84911596 100074381 127367394 133432508 200148762 233506889 254734788 400297524 467013778 700520667 934027556 1401041334 2802082668