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5321213841888 = 253471357721601
BaseRepresentation
bin100110101101111000100…
…0011111001000111100000
3200211200222112121222110000
41031123301003321013200
51144140321220420023
615152310515540000
71056305432240160
oct115336103710740
920750875558400
105321213841888
11177179454319a
1271b3538ba600
132c7a32bca429
141457960a45a0
159363c4bd243
hex4d6f10f91e0

5321213841888 has 240 divisors, whose sum is σ = 17887336324704. Its totient is φ = 1520164454400.

The previous prime is 5321213841871. The next prime is 5321213841893. The reversal of 5321213841888 is 8881483121235.

It is a happy number.

5321213841888 is a `hidden beast` number, since 5 + 3 + 2 + 1 + 213 + 8 + 418 + 8 + 8 = 666.

It is a super-2 number, since 2×53212138418882 (a number of 26 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 246330288 + ... + 246351888.

Almost surely, 25321213841888 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 5321213841888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8943668162352).

5321213841888 is an abundant number, since it is smaller than the sum of its proper divisors (12566122482816).

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

5321213841888 is a wasteful number, since it uses less digits than its factorization.

5321213841888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35207 (or 35190 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 54.

The spelling of 5321213841888 in words is "five trillion, three hundred twenty-one billion, two hundred thirteen million, eight hundred forty-one thousand, eight hundred eighty-eight".