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806327930010021 = 31993134315121561
BaseRepresentation
bin1011011101010110011101100…
…1110101110011100110100101
310220201222012022211020022212120
42313111213121311303212211
51321141334100040310041
611534525534243140153
7331561161532313256
oct26725473165634645
93821865284208776
10806327930010021
11213a14833623951
1276527908374659
13287bc52250ab33
14103186a1354b2d
15633468e8e2366
hex2dd59d9d739a5

806327930010021 has 16 divisors (see below), whose sum is σ = 1083958536374400. Its totient is φ = 533141898981120.

The previous prime is 806327930010011. The next prime is 806327930010049. The reversal of 806327930010021 is 120010039723608.

It is not a de Polignac number, because 806327930010021 - 26 = 806327930009957 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806327930010011) 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, 2157373920 + ... + 2157747641.

It is an arithmetic number, because the mean of its divisors is an integer number (67747408523400).

Almost surely, 2806327930010021 is an apocalyptic number.

It is an amenable number.

806327930010021 is a deficient number, since it is larger than the sum of its proper divisors (277630606364379).

806327930010021 is a wasteful number, since it uses less digits than its factorization.

806327930010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4315122076.

The product of its (nonzero) digits is 108864, while the sum is 42.

Adding to 806327930010021 its reverse (120010039723608), we get a palindrome (926337969733629).

The spelling of 806327930010021 in words is "eight hundred six trillion, three hundred twenty-seven billion, nine hundred thirty million, ten thousand, twenty-one".

Divisors: 1 3 199 313 597 939 62287 186861 4315121561 12945364683 858709190639 1350633048593 2576127571917 4051899145779 268775976670007 806327930010021