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21300103001 = 831093077669
BaseRepresentation
bin10011110101100101…
…011100011101011001
32000222102220100021202
4103311211130131121
5322110311244001
613441331043545
71352556613442
oct236545343531
960872810252
1021300103001
119040397711
1241654405b5
132015b4a758
141060c322c9
15849e7b96b
hex4f595c759

21300103001 has 16 divisors (see below), whose sum is σ = 21828206400. Its totient is φ = 20779789248.

The previous prime is 21300102979. The next prime is 21300103039. The reversal of 21300103001 is 10030100312.

It is a cyclic number.

It is not a de Polignac number, because 21300103001 - 214 = 21300086617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21300103081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2773595 + ... + 2781263.

It is an arithmetic number, because the mean of its divisors is an integer number (1364262900).

Almost surely, 221300103001 is an apocalyptic number.

It is an amenable number.

21300103001 is a deficient number, since it is larger than the sum of its proper divisors (528103399).

21300103001 is a wasteful number, since it uses less digits than its factorization.

21300103001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8168.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 21300103001 its reverse (10030100312), we get a palindrome (31330203313).

The spelling of 21300103001 in words is "twenty-one billion, three hundred million, one hundred three thousand, one".

Divisors: 1 83 109 307 7669 9047 25481 33463 636527 835921 2354383 2777429 69381443 195413789 256627747 21300103001