Base | Representation |
---|---|
bin | 1011000110010100100… |
… | …10101000101010101101 |
3 | 1100110100000012020222120 |
4 | 11203022102220222231 |
5 | 22222001324123340 |
6 | 451105031303153 |
7 | 36360143025516 |
oct | 5431222505255 |
9 | 1313300166876 |
10 | 381351004845 |
11 | 137803778308 |
12 | 61aa981aab9 |
13 | 29c65b19275 |
14 | 146594b7a0d |
15 | 9dbe5954d0 |
hex | 58ca4a8aad |
381351004845 has 8 divisors (see below), whose sum is σ = 610161607776. Its totient is φ = 203387202576.
The previous prime is 381351004843. The next prime is 381351004883. The reversal of 381351004845 is 548400153183.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 381351004845 - 21 = 381351004843 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 381351004797 and 381351004806.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (381351004843) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12711700147 + ... + 12711700176.
It is an arithmetic number, because the mean of its divisors is an integer number (76270200972).
Almost surely, 2381351004845 is an apocalyptic number.
It is an amenable number.
381351004845 is a deficient number, since it is larger than the sum of its proper divisors (228810602931).
381351004845 is a wasteful number, since it uses less digits than its factorization.
381351004845 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25423400331.
The product of its (nonzero) digits is 230400, while the sum is 42.
The spelling of 381351004845 in words is "three hundred eighty-one billion, three hundred fifty-one million, four thousand, eight hundred forty-five".
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