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21059468014 = 213809979539
BaseRepresentation
bin10011100111001111…
…011111101011101110
32000100200002211010211
4103213033133223232
5321112210434024
613401413253034
71343605344634
oct234717375356
960320084124
1021059468014
118a27580022
1240b893417a
131ca80368a0
14103acb3354
15833c97594
hex4e73dfaee

21059468014 has 8 divisors (see below), whose sum is σ = 34019140680. Its totient is φ = 9719754456.

The previous prime is 21059467993. The next prime is 21059468047. The reversal of 21059468014 is 41086495012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404989744 + ... + 404989795.

It is an arithmetic number, because the mean of its divisors is an integer number (4252392585).

Almost surely, 221059468014 is an apocalyptic number.

21059468014 is a deficient number, since it is larger than the sum of its proper divisors (12959672666).

21059468014 is a wasteful number, since it uses less digits than its factorization.

21059468014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809979554.

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 21059468014 in words is "twenty-one billion, fifty-nine million, four hundred sixty-eight thousand, fourteen".

Divisors: 1 2 13 26 809979539 1619959078 10529734007 21059468014