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809152938146 = 27320591802821
BaseRepresentation
bin10111100011001010100…
…01100000000010100010
32212100120021000011200202
423301211101200002202
5101224121123010041
61415415243345202
7112313364330620
oct13614521400242
92770507004622
10809152938146
11292183814693
1211099b822202
135b3c2316cc7
142b23dbcc510
15160abb2da9b
hexbc654600a2

809152938146 has 16 divisors (see below), whose sum is σ = 1387163359680. Its totient is φ = 346768821360.

The previous prime is 809152938131. The next prime is 809152938163. The reversal of 809152938146 is 641839251908.

It is a junction number, because it is equal to n+sod(n) for n = 809152938091 and 809152938100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452585 + ... + 1350236.

It is an arithmetic number, because the mean of its divisors is an integer number (86697709980).

Almost surely, 2809152938146 is an apocalyptic number.

809152938146 is a deficient number, since it is larger than the sum of its proper divisors (578010421534).

809152938146 is a wasteful number, since it uses less digits than its factorization.

809152938146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1834889.

The product of its (nonzero) digits is 3732480, while the sum is 56.

The spelling of 809152938146 in words is "eight hundred nine billion, one hundred fifty-two million, nine hundred thirty-eight thousand, one hundred forty-six".

Divisors: 1 2 7 14 32059 64118 224413 448826 1802821 3605642 12619747 25239494 57796638439 115593276878 404576469073 809152938146