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38404254623384 = 23132411532247631
BaseRepresentation
bin10001011101101101011111…
…11101000110011010011000
312000222102002112110210102002
420232312233331012122120
520013203403140422014
6213402400534500132
711042421142122326
oct1056665775063230
9160872075423362
1038404254623384
11112671755a1161
124383003204648
131857675c64070
1496aac0ca2d16
15468eb1e06dde
hex22edaff46698

38404254623384 has 32 divisors (see below), whose sum is σ = 77868824658240. Its totient is φ = 17651492697600.

The previous prime is 38404254623351. The next prime is 38404254623401. The reversal of 38404254623384 is 48332645240483.

It is a super-3 number, since 3×384042546233843 (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

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, 766098752 + ... + 766148879.

It is an arithmetic number, because the mean of its divisors is an integer number (2433400770570).

Almost surely, 238404254623384 is an apocalyptic number.

It is an amenable number.

38404254623384 is an abundant number, since it is smaller than the sum of its proper divisors (39464570034856).

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

38404254623384 is a wasteful number, since it uses less digits than its factorization.

38404254623384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1532247891 (or 1532247887 counting only the distinct ones).

The product of its (nonzero) digits is 53084160, while the sum is 56.

The spelling of 38404254623384 in words is "thirty-eight trillion, four hundred four billion, two hundred fifty-four million, six hundred twenty-three thousand, three hundred eighty-four".

Divisors: 1 2 4 8 13 26 52 104 241 482 964 1928 3133 6266 12532 25064 1532247631 3064495262 6128990524 12257981048 19919219203 39838438406 79676876812 159353753624 369271679071 738543358142 1477086716284 2954173432568 4800531827923 9601063655846 19202127311692 38404254623384