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988012144144 = 2443257792
BaseRepresentation
bin11100110000010100001…
…11001110011000010000
310111110020021011020202201
432120022013032120100
5112141422102103034
62033515253052544
7131244601441654
oct16301207163020
93443207136681
10988012144144
11351017109403
1213b597327154
13722277c67cc
1435b6a2aaa64
151aa790e4014
hexe60a1ce610

988012144144 has 45 divisors (see below), whose sum is σ = 1960166008143. Its totient is φ = 482434063776.

The previous prime is 988012144129. The next prime is 988012144271. The reversal of 988012144144 is 441441210889.

It is a happy number.

The square root of 988012144144 is 993988.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 988012144094 and 988012144103.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 170963047 + ... + 170968825.

Almost surely, 2988012144144 is an apocalyptic number.

988012144144 is the 993988-th square number.

It is an amenable number.

988012144144 is a deficient number, since it is larger than the sum of its proper divisors (972153863999).

988012144144 is an frugal number, since it uses more digits than its factorization.

988012144144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11652 (or 5824 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 46.

The spelling of 988012144144 in words is "nine hundred eighty-eight billion, twelve million, one hundred forty-four thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 43 86 172 344 688 1849 3698 5779 7396 11558 14792 23116 29584 46232 92464 248497 496994 993988 1987976 3975952 10685371 21370742 33396841 42741484 66793682 85482968 133587364 170965936 267174728 534349456 1436064163 2872128326 5744256652 11488513304 22977026608 61750759009 123501518018 247003036036 494006072072 988012144144