Base | Representation |
---|---|
bin | 100011100110011010… |
… | …011010000111110000 |
3 | 10122122222212120110100 |
4 | 203212122122013300 |
5 | 1111241201431114 |
6 | 25321023232400 |
7 | 2522155500315 |
oct | 434632320760 |
9 | 118588776410 |
10 | 38225420784 |
11 | 15236287451 |
12 | 74a9748700 |
13 | 37b25230a5 |
14 | 1bc8a30d0c |
15 | edad00909 |
hex | 8e669a1f0 |
38225420784 has 60 divisors (see below), whose sum is σ = 107375884200. Its totient is φ = 12694426752.
The previous prime is 38225420777. The next prime is 38225420801. The reversal of 38225420784 is 48702452283.
38225420784 is a `hidden beast` number, since 3 + 8 + 22 + 542 + 0 + 7 + 84 = 666.
It is a super-2 number, since 2×382254207842 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
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 11 ways as a sum of consecutive naturals, for example, 454674 + ... + 532145.
It is an arithmetic number, because the mean of its divisors is an integer number (1789598070).
Almost surely, 238225420784 is an apocalyptic number.
It is an amenable number.
38225420784 is an abundant number, since it is smaller than the sum of its proper divisors (69150463416).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38225420784 is a wasteful number, since it uses less digits than its factorization.
38225420784 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 987102 (or 987093 counting only the distinct ones).
The product of its (nonzero) digits is 860160, while the sum is 45.
The spelling of 38225420784 in words is "thirty-eight billion, two hundred twenty-five million, four hundred twenty thousand, seven hundred eighty-four".
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