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38428872412448 = 257362294735363
BaseRepresentation
bin10001011110011011010110…
…10010100000110100100000
312001001202122012012001101102
420233031223102200310200
520014104312314144243
6213421551423253532
711044252165642160
oct1057155322406440
9161052565161342
1038428872412448
1111276658702481
12438793374a2a8
131859a9a246c5b
1496bd785965a0
1546995327b9b8
hex22f36b4a0d20

38428872412448 has 48 divisors (see below), whose sum is σ = 86467367810880. Its totient is φ = 16469058675456.

The previous prime is 38428872412439. The next prime is 38428872412457. The reversal of 38428872412448 is 84421427882483.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (38428872412439) and next prime (38428872412457).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5747615 + ... + 10482977.

It is an arithmetic number, because the mean of its divisors is an integer number (1801403496060).

Almost surely, 238428872412448 is an apocalyptic number.

It is an amenable number.

38428872412448 is an abundant number, since it is smaller than the sum of its proper divisors (48038495398432).

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

38428872412448 is a wasteful number, since it uses less digits than its factorization.

38428872412448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4771609 (or 4771601 counting only the distinct ones).

The product of its digits is 176160768, while the sum is 65.

The spelling of 38428872412448 in words is "thirty-eight trillion, four hundred twenty-eight billion, eight hundred seventy-two million, four hundred twelve thousand, four hundred forty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 36229 72458 144916 253603 289832 507206 579664 1014412 1159328 2028824 4057648 4735363 8115296 9470726 18941452 33147541 37882904 66295082 75765808 132590164 151531616 265180328 530360656 1060721312 171557466127 343114932254 686229864508 1200902262889 1372459729016 2401804525778 2744919458032 4803609051556 5489838916064 9607218103112 19214436206224 38428872412448