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988283243220 = 22357213315211601
BaseRepresentation
bin11100110000110100100…
…01011000101011010100
310111110221011021111210020
432120122101120223110
5112143001002240340
62034002215425140
7131254402651200
oct16303221305324
93443834244706
10988283243220
11351146143129
1213b6520851b0
137226ba15970
1435b942b9b00
151aa92ce49d0
hexe61a458ad4

988283243220 has 576 divisors, whose sum is σ = 3587526899712. Its totient is φ = 201277440000.

The previous prime is 988283243183. The next prime is 988283243221. The reversal of 988283243220 is 22342382889.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988283243221) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 617290420 + ... + 617292020.

It is an arithmetic number, because the mean of its divisors is an integer number (6228345312).

Almost surely, 2988283243220 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 988283243220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1793763449856).

988283243220 is an abundant number, since it is smaller than the sum of its proper divisors (2599243656492).

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

988283243220 is a wasteful number, since it uses less digits than its factorization.

988283243220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2192 (or 2183 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 51.

The spelling of 988283243220 in words is "nine hundred eighty-eight billion, two hundred eighty-three million, two hundred forty-three thousand, two hundred twenty".