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3808219912 = 2371729271509
BaseRepresentation
bin1110001011111100…
…1101001100001000
3100211101211121121221
43202333031030020
530244401014122
61425515211424
7163241222650
oct34277151410
910741747557
103808219912
111684705a92
128a3446b74
13488c84983
14281ab1360
151744e16c7
hexe2fcd308

3808219912 has 128 divisors (see below), whose sum is σ = 8989056000. Its totient is φ = 1474744320.

The previous prime is 3808219897. The next prime is 3808220011. The reversal of 3808219912 is 2199128083.

3808219912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

3808219912 is a modest number, since divided by 219912 gives 3808 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7481514 + ... + 7482022.

It is an arithmetic number, because the mean of its divisors is an integer number (70227000).

Almost surely, 23808219912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3808219912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4494528000).

3808219912 is an abundant number, since it is smaller than the sum of its proper divisors (5180836088).

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

3808219912 is a wasteful number, since it uses less digits than its factorization.

3808219912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839 (or 835 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 3808219912 is about 61710.7763036570. The cubic root of 3808219912 is about 1561.6151242898.

The spelling of 3808219912 in words is "three billion, eight hundred eight million, two hundred nineteen thousand, nine hundred twelve".

Divisors: 1 2 4 7 8 14 17 28 29 34 56 58 68 116 119 136 203 232 238 271 406 476 493 509 542 812 952 986 1018 1084 1624 1897 1972 2036 2168 3451 3563 3794 3944 4072 4607 6902 7126 7588 7859 8653 9214 13804 14252 14761 15176 15718 17306 18428 27608 28504 29522 31436 32249 34612 36856 55013 59044 60571 62872 64498 69224 103327 110026 118088 121142 128996 133603 137939 206654 220052 242284 250937 257992 267206 275878 413308 440104 484568 501874 534412 551756 826616 935221 965573 1003748 1068824 1103512 1756559 1870442 1931146 2007496 2344963 3513118 3740884 3862292 4000231 4689926 7026236 7481768 7724584 8000462 9379852 14052472 16000924 16414741 18759704 28001617 32001848 32829482 56003234 65658964 68003927 112006468 131317928 136007854 224012936 272015708 476027489 544031416 952054978 1904109956 3808219912