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805604555038 = 21428732819303
BaseRepresentation
bin10111011100100011100…
…01011111100100011110
32212000101222002122011011
423232101301133210132
5101144334231230123
61414031205245434
7112126426506433
oct13562161374436
92760358078134
10805604555038
11290722850968
1211016b40387a
135ac7813a22a
142adc4837b8a
1515e50365e0d
hexbb91c5f91e

805604555038 has 8 divisors (see below), whose sum is σ = 1208415719088. Its totient is φ = 402799315344.

The previous prime is 805604554987. The next prime is 805604555053. The reversal of 805604555038 is 830555406508.

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

It is a junction number, because it is equal to n+sod(n) for n = 805604554982 and 805604555000.

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, 1123906 + ... + 1695397.

It is an arithmetic number, because the mean of its divisors is an integer number (151051964886).

Almost surely, 2805604555038 is an apocalyptic number.

805604555038 is a deficient number, since it is larger than the sum of its proper divisors (402811164050).

805604555038 is a wasteful number, since it uses less digits than its factorization.

805604555038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2962178.

The product of its (nonzero) digits is 2880000, while the sum is 49.

The spelling of 805604555038 in words is "eight hundred five billion, six hundred four million, five hundred fifty-five thousand, thirty-eight".

Divisors: 1 2 142873 285746 2819303 5638606 402802277519 805604555038