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805042837033 = 7971553650413
BaseRepresentation
bin10111011011100000100…
…10101101011000101001
32211221221211010101220121
423231300102231120221
5101142211431241113
61413455341523241
7112106466131551
oct13556022553051
92757854111817
10805042837033
1129046476a906
12110033273521
135abb8956206
142ad6ddb8161
1515e1adaae8d
hexbb704ad629

805042837033 has 8 divisors (see below), whose sum is σ = 806573198088. Its totient is φ = 803513781504.

The previous prime is 805042837007. The next prime is 805042837069. The reversal of 805042837033 is 330738240508.

805042837033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 858958864 + 804183878169 = 29308^2 + 896763^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-805042837033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (805042837073) 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, 912535 + ... + 1562947.

It is an arithmetic number, because the mean of its divisors is an integer number (100821649761).

Almost surely, 2805042837033 is an apocalyptic number.

It is an amenable number.

805042837033 is a deficient number, since it is larger than the sum of its proper divisors (1530361055).

805042837033 is a wasteful number, since it uses less digits than its factorization.

805042837033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652763.

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 805042837033 in words is "eight hundred five billion, forty-two million, eight hundred thirty-seven thousand, thirty-three".

Divisors: 1 797 1553 650413 1237741 518379161 1010091389 805042837033