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842064846025 = 521321398391709
BaseRepresentation
bin11000100000011101111…
…10011101110011001001
32222111111221120022201211
430100032332131303021
5102244022100033100
61442501140013121
7114560103044044
oct14201676356311
92874457508654
10842064846025
112a5132720157
121172459911a1
1361538a5bc00
142ca82c6bc5b
1516d861ea1ba
hexc40ef9dcc9

842064846025 has 72 divisors (see below), whose sum is σ = 1140817608000. Its totient is φ = 616262250240.

The previous prime is 842064846017. The next prime is 842064846067. The reversal of 842064846025 is 520648460248.

It is not a de Polignac number, because 842064846025 - 23 = 842064846017 is a prime.

It is a super-2 number, since 2×8420648460252 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 842064846025.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 492722871 + ... + 492724579.

It is an arithmetic number, because the mean of its divisors is an integer number (15844689000).

Almost surely, 2842064846025 is an apocalyptic number.

It is an amenable number.

842064846025 is a deficient number, since it is larger than the sum of its proper divisors (298752761975).

842064846025 is a wasteful number, since it uses less digits than its factorization.

842064846025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2723 (or 2705 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 49.

The spelling of 842064846025 in words is "eight hundred forty-two billion, sixty-four million, eight hundred forty-six thousand, twenty-five".

Divisors: 1 5 13 25 65 139 169 325 695 839 845 1709 1807 3475 4195 4225 8545 9035 10907 20975 22217 23491 42725 45175 54535 111085 116621 117455 141791 237551 272675 288821 555425 583105 587275 708955 1187755 1433851 1444105 1516073 2915525 3088163 3544775 5938775 7169255 7220525 7580365 15440815 18640063 19708949 35846275 37901825 40146119 77204075 93200315 98544745 199305289 200730595 242320819 466001575 492723725 996526445 1003652975 1211604095 2590968757 4982632225 6058020475 12954843785 33682593841 64774218925 168412969205 842064846025