Base | Representation |
---|---|
bin | 10001101001100011100010… |
… | …11100001111111100101100 |
3 | 12002102022120012011001010222 |
4 | 20310301301130033330230 |
5 | 20041340343243424140 |
6 | 214313344252350512 |
7 | 11114006255261504 |
oct | 1064616134177454 |
9 | 162368505131128 |
10 | 38811227717420 |
11 | 11403827270294 |
12 | 4429a61775438 |
13 | 1886b63147742 |
14 | 98268b1baa04 |
15 | 474880aa25b5 |
hex | 234c7170ff2c |
38811227717420 has 24 divisors (see below), whose sum is σ = 81503760627744. Its totient is φ = 15524456340096.
The previous prime is 38811227717389. The next prime is 38811227717467. The reversal of 38811227717420 is 2471772211883.
It is a super-2 number, since 2×388112277174202 (a number of 28 digits) contains 22 as substring.
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, 8194289 + ... + 12031991.
It is an arithmetic number, because the mean of its divisors is an integer number (3395990026156).
Almost surely, 238811227717420 is an apocalyptic number.
It is an amenable number.
38811227717420 is an abundant number, since it is smaller than the sum of its proper divisors (42692532910324).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38811227717420 is a wasteful number, since it uses less digits than its factorization.
38811227717420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4343369 (or 4343367 counting only the distinct ones).
The product of its (nonzero) digits is 2107392, while the sum is 53.
The spelling of 38811227717420 in words is "thirty-eight trillion, eight hundred eleven billion, two hundred twenty-seven million, seven hundred seventeen thousand, four hundred twenty".
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