Base | Representation |
---|---|
bin | 100011101111100011… |
… | …001111000100100000 |
3 | 10200001200100110211120 |
4 | 203233203033010200 |
5 | 1112044423323020 |
6 | 25344141212240 |
7 | 2526026551260 |
oct | 435743170440 |
9 | 120050313746 |
10 | 38378729760 |
11 | 15304879788 |
12 | 7530b61080 |
13 | 3808210167 |
14 | 1c0113b7a0 |
15 | ee94d5740 |
hex | 8ef8cf120 |
38378729760 has 96 divisors (see below), whose sum is σ = 138163439232. Its totient is φ = 8772280320.
The previous prime is 38378729749. The next prime is 38378729783. The reversal of 38378729760 is 6792787383.
It is a tau number, because it is divible by the number of its divisors (96).
It is a super-2 number, since 2×383787297602 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (60).
It is a junction number, because it is equal to n+sod(n) for n = 38378729694 and 38378729703.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 5707761 + ... + 5714480.
It is an arithmetic number, because the mean of its divisors is an integer number (1439202492).
Almost surely, 238378729760 is an apocalyptic number.
38378729760 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
38378729760 is an abundant number, since it is smaller than the sum of its proper divisors (99784709472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38378729760 is a wasteful number, since it uses less digits than its factorization.
38378729760 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11422266 (or 11422258 counting only the distinct ones).
The product of its (nonzero) digits is 21337344, while the sum is 60.
The spelling of 38378729760 in words is "thirty-eight billion, three hundred seventy-eight million, seven hundred twenty-nine thousand, seven hundred sixty".
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