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561352883087832 = 233111710311059109807
BaseRepresentation
bin111111110100011000010011…
…1001100001010100111011000
32201121120210220121011211020120
41333220300213030022213120
51042034201201032302312
65305521542051553240
7226145256514542453
oct17750604714124730
92647523817154216
10561352883087832
1115295646a077730
1252b61b488bb820
131b12c4714a8254
149c898a592049a
1544d7123e1928c
hex1fe8c2730a9d8

561352883087832 has 256 divisors, whose sum is σ = 1636919978803200. Its totient is φ = 158530488698880.

The previous prime is 561352883087827. The next prime is 561352883087989. The reversal of 561352883087832 is 238780388253165.

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, 5112122673 + ... + 5112232479.

It is an arithmetic number, because the mean of its divisors is an integer number (6394218667200).

Almost surely, 2561352883087832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 561352883087832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (818459989401600).

561352883087832 is an abundant number, since it is smaller than the sum of its proper divisors (1075567095715368).

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

561352883087832 is a wasteful number, since it uses less digits than its factorization.

561352883087832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121006 (or 121002 counting only the distinct ones).

The product of its (nonzero) digits is 464486400, while the sum is 69.

The spelling of 561352883087832 in words is "five hundred sixty-one trillion, three hundred fifty-two billion, eight hundred eighty-three million, eighty-seven thousand, eight hundred thirty-two".