Search a number
-
+
2121211001120 = 255471012792831
BaseRepresentation
bin11110110111100010000…
…001110011100100100000
321111210012211201200200212
4132313202001303210200
5234223220004013440
64302245413233252
7306152405005001
oct36674201634440
97453184650625
102121211001120
11748667345a82
122a3131332828
1312504c5c5343
147494a98b1a8
153a29e443465
hex1ede2073920

2121211001120 has 96 divisors (see below), whose sum is σ = 5168660668416. Its totient is φ = 822209152000.

The previous prime is 2121211001099. The next prime is 2121211001201. The reversal of 2121211001120 is 211001121212.

It is a super-3 number, since 3×21212110011203 (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 2121211001095 and 2121211001104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 636896 + ... + 2155935.

It is an arithmetic number, because the mean of its divisors is an integer number (53840215296).

Almost surely, 22121211001120 is an apocalyptic number.

2121211001120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2121211001120 is an abundant number, since it is smaller than the sum of its proper divisors (3047449667296).

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

2121211001120 is a wasteful number, since it uses less digits than its factorization.

2121211001120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2792994 (or 2792986 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2121211001120 its reverse (211001121212), we get a palindrome (2332212122332).

The spelling of 2121211001120 in words is "two trillion, one hundred twenty-one billion, two hundred eleven million, one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 47 80 94 101 160 188 202 235 376 404 470 505 752 808 940 1010 1504 1616 1880 2020 3232 3760 4040 4747 7520 8080 9494 16160 18988 23735 37976 47470 75952 94940 151904 189880 379760 759520 2792831 5585662 11171324 13964155 22342648 27928310 44685296 55856620 89370592 111713240 131263057 223426480 262526114 282075931 446852960 525052228 564151862 656315285 1050104456 1128303724 1312630570 1410379655 2100208912 2256607448 2625261140 2820759310 4200417824 4513214896 5250522280 5641518620 9026429792 10501044560 11283037240 13257568757 21002089120 22566074480 26515137514 45132148960 53030275028 66287843785 106060550056 132575687570 212121100112 265151375140 424242200224 530302750280 1060605500560 2121211001120