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38445494448 = 2434423181087
BaseRepresentation
bin100011110011100001…
…111011000010110000
310200020022222110202210
4203303201323002300
51112214021310243
625354524212120
72530500211434
oct436341730260
9120208873683
1038445494448
1115339530009
12754b39a040
133818cb81aa
141c09d5a9c4
1510002c2933
hex8f387b0b0

38445494448 has 40 divisors (see below), whose sum is σ = 99340530688. Its totient is φ = 12812196672.

The previous prime is 38445494447. The next prime is 38445494459. The reversal of 38445494448 is 84449454483.

It is not an unprimeable number, because it can be changed into a prime (38445494447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121761 + ... + 302847.

Almost surely, 238445494448 is an apocalyptic number.

It is an amenable number.

38445494448 is an abundant number, since it is smaller than the sum of its proper divisors (60895036240).

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

38445494448 is a wasteful number, since it uses less digits than its factorization.

38445494448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185521 (or 185515 counting only the distinct ones).

The product of its digits is 35389440, while the sum is 57.

The spelling of 38445494448 in words is "thirty-eight billion, four hundred forty-five million, four hundred ninety-four thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 4423 8846 13269 17692 26538 35384 53076 70768 106152 181087 212304 362174 543261 724348 1086522 1448696 2173044 2897392 4346088 8692176 800947801 1601895602 2402843403 3203791204 4805686806 6407582408 9611373612 12815164816 19222747224 38445494448