Base | Representation |
---|---|
bin | 100011100101101010… |
… | …011110110101000000 |
3 | 10122122010020021101122 |
4 | 203211222132311000 |
5 | 1111224442412102 |
6 | 25315454051412 |
7 | 2521643632541 |
oct | 434552366500 |
9 | 118563207348 |
10 | 38212857152 |
11 | 1522a186188 |
12 | 74a54a9b68 |
13 | 37aca446a2 |
14 | 1bc70c04c8 |
15 | ed9b6d0a2 |
hex | 8e5a9ed40 |
38212857152 has 28 divisors (see below), whose sum is σ = 79819621920. Its totient is φ = 18100826496.
The previous prime is 38212857143. The next prime is 38212857167. The reversal of 38212857152 is 25175821283.
It is a super-2 number, since 2×382128571522 (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 3 ways as a sum of consecutive naturals, for example, 15711308 + ... + 15713739.
Almost surely, 238212857152 is an apocalyptic number.
38212857152 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
38212857152 is an abundant number, since it is smaller than the sum of its proper divisors (41606764768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38212857152 is a wasteful number, since it uses less digits than its factorization.
38212857152 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31425078 (or 31425068 counting only the distinct ones).
The product of its digits is 268800, while the sum is 44.
The spelling of 38212857152 in words is "thirty-eight billion, two hundred twelve million, eight hundred fifty-seven thousand, one hundred fifty-two".
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