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809228630926 = 23797106561579
BaseRepresentation
bin10111100011010011100…
…10001111101110001110
32212100202112102202200001
423301221302033232032
5101224300012142201
61415430545554514
7112315303604362
oct13615162175616
92770675382601
10809228630926
11292212513801
12110a01045a3a
135b404bc9a31
142b249c932a2
15160b35d1301
hexbc69c8fb8e

809228630926 has 8 divisors (see below), whose sum is σ = 1214162642520. Its totient is φ = 404507750088.

The previous prime is 809228630893. The next prime is 809228630957. The reversal of 809228630926 is 629036822908.

It is a happy number.

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

It is a super-2 number, since 2×8092286309262 (a number of 25 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 53273196 + ... + 53288383.

It is an arithmetic number, because the mean of its divisors is an integer number (151770330315).

Almost surely, 2809228630926 is an apocalyptic number.

809228630926 is a deficient number, since it is larger than the sum of its proper divisors (404934011594).

809228630926 is a wasteful number, since it uses less digits than its factorization.

809228630926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106565378.

The product of its (nonzero) digits is 4478976, while the sum is 55.

The spelling of 809228630926 in words is "eight hundred nine billion, two hundred twenty-eight million, six hundred thirty thousand, nine hundred twenty-six".

Divisors: 1 2 3797 7594 106561579 213123158 404614315463 809228630926