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21848113684005 = 35767109137207971
BaseRepresentation
bin1001111011110111010010…
…00011100001111000100101
32212100122210121102001122220
410331323221003201320211
510330424414100342010
6114244515044142553
74413321424111110
oct475735103417045
985318717361586
1021848113684005
116a63807660634
12254a389097a59
13c2636454673b
14557650a15577
1527d4bd87a970
hex13dee90e1e25

21848113684005 has 128 divisors (see below), whose sum is σ = 41217987317760. Its totient is φ = 9677173524480.

The previous prime is 21848113683997. The next prime is 21848113684021. The reversal of 21848113684005 is 50048631184812.

It is a happy number.

It is not a de Polignac number, because 21848113684005 - 23 = 21848113683997 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 104949670 + ... + 105157640.

It is an arithmetic number, because the mean of its divisors is an integer number (322015525920).

Almost surely, 221848113684005 is an apocalyptic number.

It is an amenable number.

21848113684005 is a deficient number, since it is larger than the sum of its proper divisors (19369873633755).

21848113684005 is a wasteful number, since it uses less digits than its factorization.

21848113684005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208299.

The product of its (nonzero) digits is 1474560, while the sum is 51.

The spelling of 21848113684005 in words is "twenty-one trillion, eight hundred forty-eight billion, one hundred thirteen million, six hundred eighty-four thousand, five".

Divisors: 1 3 5 7 15 21 35 67 105 109 137 201 327 335 411 469 545 685 763 959 1005 1407 1635 2055 2289 2345 2877 3815 4795 7035 7303 9179 11445 14385 14933 21909 27537 36515 44799 45895 51121 64253 74665 104531 109545 137685 153363 192759 207971 223995 255605 313593 321265 522655 623913 766815 963795 1000511 1039855 1455797 1567965 3001533 3119565 4367391 5002555 7003577 7278985 13934057 15007665 21010731 21836955 22668839 28492027 35017885 41802171 68006517 69670285 85476081 97538399 105053655 113344195 142460135 158681873 199444189 209010855 292615197 340032585 427380405 476045619 487691995 598332567 793409365 997220945 1463075985 1518812213 1908965809 2380228095 2991662835 3105630943 4556436639 5726897427 7594061065 9316892829 9544829045 10631685491 13362760663 15528154715 21739416601 22782183195 28634487135 31895056473 40088281989 46584464145 53158427455 65218249803 66813803315 108697083005 159475282365 200441409945 208077273181 326091249015 624231819543 1040386365905 1456540912267 3121159097715 4369622736801 7282704561335 21848113684005