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20244801256704 = 28351948735171
BaseRepresentation
bin1001001101001100111000…
…01011111111110100000000
32122200101101000012211200000
410212212130023333310000
510123142323110203304
6111020155554400000
74156432022252433
oct446463413776400
978611330184600
1020244801256704
1164a585458a522
12232b6b2b90000
13b3b0cc2a9a5b
144ddbd443581a
1525193158b939
hex12699c2ffd00

20244801256704 has 432 divisors, whose sum is σ = 63851215034880. Its totient is φ = 6379786229760.

The previous prime is 20244801256679. The next prime is 20244801256747. The reversal of 20244801256704 is 40765210844202.

20244801256704 is a `hidden beast` number, since 2 + 0 + 2 + 4 + 4 + 80 + 1 + 2 + 567 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (432).

It is a self number, because there is not a number n which added to its sum of digits gives 20244801256704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 575593039 + ... + 575628209.

Almost surely, 220244801256704 is an apocalyptic number.

20244801256704 is a gapful number since it is divisible by the number (24) 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 20244801256704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31925607517440).

20244801256704 is an abundant number, since it is smaller than the sum of its proper divisors (43606413778176).

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

20244801256704 is an equidigital number, since it uses as much as digits as its factorization.

20244801256704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35708 (or 35682 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 45.

The spelling of 20244801256704 in words is "twenty trillion, two hundred forty-four billion, eight hundred one million, two hundred fifty-six thousand, seven hundred four".