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21080833461434 = 261721923935963
BaseRepresentation
bin1001100101100010000111…
…00101110000110010111010
32202122022022112022020021202
410302301003211300302322
510230342021331231214
6112500222354134202
74304016463612145
oct462610345606272
982568275266252
1021080833461434
116798370a04a0a
122445734581362
13b9bbb6281916
1452c463dd905c
15268562d526de
hex132c43970cba

21080833461434 has 16 divisors (see below), whose sum is σ = 32144084774880. Its totient is φ = 10366186422960.

The previous prime is 21080833461433. The next prime is 21080833461461. The reversal of 21080833461434 is 43416433808012.

It is not an unprimeable number, because it can be changed into a prime (21080833461433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11087264 + ... + 12848699.

It is an arithmetic number, because the mean of its divisors is an integer number (2009005298430).

Almost surely, 221080833461434 is an apocalyptic number.

21080833461434 is a deficient number, since it is larger than the sum of its proper divisors (11063251313446).

21080833461434 is a wasteful number, since it uses less digits than its factorization.

21080833461434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23943245.

The product of its (nonzero) digits is 1327104, while the sum is 47.

The spelling of 21080833461434 in words is "twenty-one trillion, eighty billion, eight hundred thirty-three million, four hundred sixty-one thousand, four hundred thirty-four".

Divisors: 1 2 61 122 7219 14438 440359 880718 23935963 47871926 1460093743 2920187486 172793716897 345587433794 10540416730717 21080833461434