Search a number
-
+
806807577609 = 321189103388643
BaseRepresentation
bin10111011110110010111…
…10101010010000001001
32212010111210210111212200
423233121132222100021
5101204320214440414
61414350422230413
7112201305154035
oct13573136522011
92763453714780
10806807577609
1129118a9315a0
12110446285409
135b10a44c3c7
142b09a5131c5
1515ec0c9c109
hexbbd97aa409

806807577609 has 48 divisors (see below), whose sum is σ = 1286876859840. Its totient is φ = 483006712320.

The previous prime is 806807577601. The next prime is 806807577617. The reversal of 806807577609 is 906775708608.

It is an interprime number because it is at equal distance from previous prime (806807577601) and next prime (806807577617).

It is not a de Polignac number, because 806807577609 - 23 = 806807577601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (806807577601) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9057442 + ... + 9146084.

It is an arithmetic number, because the mean of its divisors is an integer number (26809934580).

Almost surely, 2806807577609 is an apocalyptic number.

806807577609 is a gapful number since it is divisible by the number (89) formed by its first and last digit.

It is an amenable number.

806807577609 is a deficient number, since it is larger than the sum of its proper divisors (480069282231).

806807577609 is a wasteful number, since it uses less digits than its factorization.

806807577609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89782 (or 89779 counting only the distinct ones).

The product of its (nonzero) digits is 35562240, while the sum is 63.

The spelling of 806807577609 in words is "eight hundred six billion, eight hundred seven million, five hundred seventy-seven thousand, six hundred nine".

Divisors: 1 3 9 11 33 89 99 267 801 979 1033 2937 3099 8811 9297 11363 34089 88643 91937 102267 265929 275811 797787 827433 975073 1011307 2925219 3033921 7889227 8775657 9101763 23667681 71003043 86781497 91568219 260344491 274704657 781033473 824113971 1007250409 3021751227 8149571491 9065253681 24448714473 73346143419 89645286401 268935859203 806807577609