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809321764325 = 52169271912499
BaseRepresentation
bin10111100011011110101…
…01100001010111100101
32212101000000200102200012
423301233111201113211
5101224442332424300
61415444114100005
7112320514330334
oct13615725412745
92771000612605
10809321764325
11292260045258
12110a2827a605
135b41b2a7c59
142b2583b7d1b
15160bb87b435
hexbc6f5615e5

809321764325 has 12 divisors (see below), whose sum is σ = 1003618800000. Its totient is φ = 647418822960.

The previous prime is 809321764309. The next prime is 809321764337. The reversal of 809321764325 is 523467123908.

It is not a de Polignac number, because 809321764325 - 24 = 809321764309 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 533075 + ... + 1379424.

It is an arithmetic number, because the mean of its divisors is an integer number (83634900000).

It is a 1-persistent number, because it is pandigital, but 2⋅809321764325 = 1618643528650 is not.

Almost surely, 2809321764325 is an apocalyptic number.

It is an amenable number.

809321764325 is a deficient number, since it is larger than the sum of its proper divisors (194297035675).

809321764325 is a wasteful number, since it uses less digits than its factorization.

809321764325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1929436 (or 1929431 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 809321764325 in words is "eight hundred nine billion, three hundred twenty-one million, seven hundred sixty-four thousand, three hundred twenty-five".

Divisors: 1 5 25 16927 84635 423175 1912499 9562495 47812475 32372870573 161864352865 809321764325