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2152224554120 = 2351731268737997
BaseRepresentation
bin11111010100011010100…
…101000111110010001000
321121202021020012102101222
4133110122211013302020
5240230223441212440
64324415053301212
7311331062602604
oct37243245076210
97552236172358
102152224554120
1175a83171a413
122a9147794808
13127c52961434
147624d870504
153aeb70292b5
hex1f51a947c88

2152224554120 has 128 divisors (see below), whose sum is σ = 5294866268160. Its totient is φ = 783799726080.

The previous prime is 2152224554071. The next prime is 2152224554143. The reversal of 2152224554120 is 214554222512.

It is a happy number.

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, 56622962 + ... + 56660958.

It is an arithmetic number, because the mean of its divisors is an integer number (41366142720).

Almost surely, 22152224554120 is an apocalyptic number.

2152224554120 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 2152224554120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2647433134080).

2152224554120 is an abundant number, since it is smaller than the sum of its proper divisors (3142641714040).

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

2152224554120 is a wasteful number, since it uses less digits than its factorization.

2152224554120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40743 (or 40739 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 35.

Adding to 2152224554120 its reverse (214554222512), we get a palindrome (2366778776632).

The spelling of 2152224554120 in words is "two trillion, one hundred fifty-two billion, two hundred twenty-four million, five hundred fifty-four thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 17 20 31 34 40 62 68 85 124 136 155 170 248 310 340 527 620 680 1054 1240 2108 2635 2687 4216 5270 5374 10540 10748 13435 21080 21496 26870 37997 45679 53740 75994 83297 91358 107480 151988 166594 182716 189985 228395 303976 333188 365432 379970 416485 456790 645949 666376 759940 832970 913580 1177907 1291898 1416049 1519880 1665940 1827160 2355814 2583796 2832098 3229745 3331880 4711628 5167592 5664196 5889535 6459490 7080245 9423256 11328392 11779070 12918980 14160490 20024419 23558140 25837960 28320980 40048838 47116280 56641960 80097676 100122095 102097939 160195352 200244190 204195878 400488380 408391756 510489695 800976760 816783512 1020979390 1735664963 2041958780 3165036109 3471329926 4083917560 6330072218 6942659852 8678324815 12660144436 13885319704 15825180545 17356649630 25320288872 31650361090 34713299260 53805613853 63300722180 69426598520 107611227706 126601444360 215222455412 269028069265 430444910824 538056138530 1076112277060 2152224554120