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938387439616 = 222112432
BaseRepresentation
bin11011010011111000100…
…00000000000000000000
310022201010211112001202011
431221330100000000000
5110333304141031431
61555031135302304
7124540054426054
oct15517420000000
93281124461664
10938387439616
11331a71278400
12131a4807a994
136a649728813
14335bd74dc64
1519622682cb1
hexda7c400000

938387439616 has 207 divisors, whose sum is σ = 2111991195783. Its totient is φ = 416620216320.

The previous prime is 938387439593. The next prime is 938387439623. The reversal of 938387439616 is 616934783839.

The square root of 938387439616 is 968704.

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

It is a Duffinian number.

Its product of digits (141087744) is a multiple of the sum of its prime divisors (56).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 21822963691 + ... + 21822963733.

Almost surely, 2938387439616 is an apocalyptic number.

938387439616 is the 968704-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 938387439616

938387439616 is an abundant number, since it is smaller than the sum of its proper divisors (1173603756167).

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

938387439616 is an frugal number, since it uses more digits than its factorization.

938387439616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152 (or 56 counting only the distinct ones).

The product of its digits is 141087744, while the sum is 67.

The spelling of 938387439616 in words is "nine hundred thirty-eight billion, three hundred eighty-seven million, four hundred thirty-nine thousand, six hundred sixteen".