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813315200871 = 3436304768999
BaseRepresentation
bin10111101010111010101…
…11010001011101100111
32212202022100001000202110
423311131113101131213
5101311132142411441
61421344251212103
7112521465066435
oct13653527213547
92782270030673
10813315200871
11293a1a256238
12111761747033
135b90673c064
142b5168ddd55
1516252256b16
hexbd5d5d1767

813315200871 has 8 divisors (see below), whose sum is σ = 1109639344000. Its totient is φ = 529600595832.

The previous prime is 813315200849. The next prime is 813315200881. The reversal of 813315200871 is 178002513318.

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

It is not a de Polignac number, because 813315200871 - 29 = 813315200359 is a prime.

It is a super-2 number, since 2×8133152008712 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813315200821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3152384371 + ... + 3152384628.

It is an arithmetic number, because the mean of its divisors is an integer number (138704918000).

Almost surely, 2813315200871 is an apocalyptic number.

813315200871 is a deficient number, since it is larger than the sum of its proper divisors (296324143129).

813315200871 is a wasteful number, since it uses less digits than its factorization.

813315200871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6304769045.

The product of its (nonzero) digits is 40320, while the sum is 39.

The spelling of 813315200871 in words is "eight hundred thirteen billion, three hundred fifteen million, two hundred thousand, eight hundred seventy-one".

Divisors: 1 3 43 129 6304768999 18914306997 271105066957 813315200871