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21600220035112 = 23171087181180681
BaseRepresentation
bin1001110100101001100010…
…11100010011100000101000
32211110221221110202221001121
410322110301130103200220
510312344222312110422
6113535000515025024
74356364405626505
oct472246134234050
984427843687047
1021600220035112
116978669103124
12250a325b9b174
13c08b7998a464
14549655c644ac
15276d109308c7
hex13a531713828

21600220035112 has 64 divisors (see below), whose sum is σ = 42946473507840. Its totient is φ = 10149724723200.

The previous prime is 21600220035109. The next prime is 21600220035133. The reversal of 21600220035112 is 21153002200612.

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, 267683412 + ... + 267764092.

It is an arithmetic number, because the mean of its divisors is an integer number (671038648560).

Almost surely, 221600220035112 is an apocalyptic number.

It is an amenable number.

21600220035112 is a deficient number, since it is larger than the sum of its proper divisors (21346253472728).

21600220035112 is a wasteful number, since it uses less digits than its factorization.

21600220035112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83602 (or 83598 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 21600220035112 its reverse (21153002200612), we get a palindrome (42753222235724).

The spelling of 21600220035112 in words is "twenty-one trillion, six hundred billion, two hundred twenty million, thirty-five thousand, one hundred twelve".

Divisors: 1 2 4 8 17 34 68 136 1087 1811 2174 3622 4348 7244 8696 14488 18479 30787 36958 61574 73916 80681 123148 147832 161362 246296 322724 645448 1371577 1968557 2743154 3937114 5486308 7874228 10972616 15748456 33465469 66930938 87700247 133861876 146113291 175400494 267723752 292226582 350800988 584453164 701601976 1168906328 1490904199 2483925947 2981808398 4967851894 5963616796 9935703788 11927233592 19871407576 158825147317 317650294634 635300589268 1270601178536 2700027504389 5400055008778 10800110017556 21600220035112