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805038440530 = 25372175779569
BaseRepresentation
bin10111011011100000000…
…01111100000001010010
32211221221111212001001011
423231300001330001102
5101142204320044110
61413455103401134
7112106413561012
oct13556001740122
92757844761034
10805038440530
11290462237735
121100318b31aa
135abb7a7702c
142ad6d591c42
1515e1a7dd48a
hexbb7007c052

805038440530 has 16 divisors (see below), whose sum is σ = 1488233225880. Its totient is φ = 313312257792.

The previous prime is 805038440527. The next prime is 805038440533. The reversal of 805038440530 is 35044830508.

It is an interprime number because it is at equal distance from previous prime (805038440527) and next prime (805038440533).

It can be written as a sum of positive squares in 4 ways, for example, as 541841737801 + 263196702729 = 736099^2 + 513027^2 .

It is not an unprimeable number, because it can be changed into a prime (805038440533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1087889415 + ... + 1087890154.

Almost surely, 2805038440530 is an apocalyptic number.

805038440530 is a deficient number, since it is larger than the sum of its proper divisors (683194785350).

805038440530 is a wasteful number, since it uses less digits than its factorization.

805038440530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2175779613.

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 805038440530 in words is "eight hundred five billion, thirty-eight million, four hundred forty thousand, five hundred thirty".

Divisors: 1 2 5 10 37 74 185 370 2175779569 4351559138 10878897845 21757795690 80503844053 161007688106 402519220265 805038440530