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809973333954 = 232163307899233
BaseRepresentation
bin10111100100101100010…
…11000011111111000010
32212102200102201121011200
423302112023003333002
5101232311133141304
61420032511322030
7112342615512261
oct13622613037702
92772612647150
10809973333954
11292564916154
12110b8a520316
135b4c328b505
142b2bab465d8
1516108b83e39
hexbc962c3fc2

809973333954 has 48 divisors (see below), whose sum is σ = 1771462204512. Its totient is φ = 267460372224.

The previous prime is 809973333931. The next prime is 809973334003. The reversal of 809973333954 is 459333379908.

It is a junction number, because it is equal to n+sod(n) for n = 809973333891 and 809973333900.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 451122 + ... + 1350354.

It is an arithmetic number, because the mean of its divisors is an integer number (36905462594).

Almost surely, 2809973333954 is an apocalyptic number.

809973333954 is an abundant number, since it is smaller than the sum of its proper divisors (961488870558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

809973333954 is a wasteful number, since it uses less digits than its factorization.

809973333954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899711 (or 899708 counting only the distinct ones).

The product of its (nonzero) digits is 66134880, while the sum is 63.

The spelling of 809973333954 in words is "eight hundred nine billion, nine hundred seventy-three million, three hundred thirty-three thousand, nine hundred fifty-four".

Divisors: 1 2 3 6 9 18 163 307 326 489 614 921 978 1467 1842 2763 2934 5526 50041 100082 150123 300246 450369 899233 900738 1798466 2697699 5395398 8093097 16186194 146574979 276064531 293149958 439724937 552129062 828193593 879449874 1319174811 1656387186 2484580779 2638349622 4969161558 44998518553 89997037106 134995555659 269991111318 404986666977 809973333954