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21470664001412 = 22347112313774513
BaseRepresentation
bin1001110000111000001110…
…10011010000011110000100
32211000120112111020111201002
410320130013103100132010
510303233404441021122
6113355253055352432
74344130032541523
oct470340723203604
984016474214632
1021470664001412
1169287260a949a
1224a91a9b22718
13bc98a0a7c1a2
145432857264ba
1527377ba67992
hex1387074d0784

21470664001412 has 24 divisors (see below), whose sum is σ = 37715500900896. Its totient is φ = 10694861705088.

The previous prime is 21470664001411. The next prime is 21470664001513. The reversal of 21470664001412 is 21410046607412.

21470664001412 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (21470664001411) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5328533 + ... + 8445980.

It is an arithmetic number, because the mean of its divisors is an integer number (1571479204204).

Almost surely, 221470664001412 is an apocalyptic number.

It is an amenable number.

21470664001412 is a deficient number, since it is larger than the sum of its proper divisors (16244836899484).

21470664001412 is a wasteful number, since it uses less digits than its factorization.

21470664001412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13775987 (or 13775985 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The spelling of 21470664001412 in words is "twenty-one trillion, four hundred seventy billion, six hundred sixty-four million, one thousand, four hundred twelve".

Divisors: 1 2 4 347 694 1123 1388 2246 4492 389681 779362 1558724 13774513 27549026 55098052 4779756011 9559512022 15468778099 19119024044 30937556198 61875112396 5367666000353 10735332000706 21470664001412