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842144808960 = 217335713523
BaseRepresentation
bin11000100000100111011…
…11100000000000000000
32222111201112000212021000
430100103233200000000
5102244203032341320
61442513113532000
7114562063524120
oct14202357400000
92874645025230
10842144808960
112a5173876524
12117268714000
136154c4a8460
142ca8d724c80
1516d8d242c90
hexc413be0000

842144808960 has 1152 divisors, whose sum is σ = 3692315612160. Its totient is φ = 177343561728.

The previous prime is 842144808881. The next prime is 842144809001. The reversal of 842144808960 is 69808441248.

It is a happy number.

842144808960 is a `hidden beast` number, since 8 + 4 + 21 + 4 + 480 + 89 + 60 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 842144808897 and 842144808906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1610219259 + ... + 1610219781.

It is an arithmetic number, because the mean of its divisors is an integer number (3205135080).

Almost surely, 2842144808960 is an apocalyptic number.

842144808960 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 842144808960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1846157806080).

842144808960 is an abundant number, since it is smaller than the sum of its proper divisors (2850170803200).

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

842144808960 is an equidigital number, since it uses as much as digits as its factorization.

842144808960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591 (or 553 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 54.

The spelling of 842144808960 in words is "eight hundred forty-two billion, one hundred forty-four million, eight hundred eight thousand, nine hundred sixty".