Base | Representation |
---|---|
bin | 1011000110100001010… |
… | …11101110100100100111 |
3 | 1100110121110222200002111 |
4 | 11203100223232210213 |
5 | 22222211302332202 |
6 | 451123422021451 |
7 | 36362614406653 |
oct | 5432053564447 |
9 | 1313543880074 |
10 | 381458245927 |
11 | 137859265100 |
12 | 61b19717887 |
13 | 29c820c6925 |
14 | 14669831a63 |
15 | 9dc8bca6d7 |
hex | 58d0aee927 |
381458245927 has 6 divisors (see below), whose sum is σ = 419288815904. Its totient is φ = 346780223460.
The previous prime is 381458245919. The next prime is 381458245939. The reversal of 381458245927 is 729542854183.
It is not a de Polignac number, because 381458245927 - 23 = 381458245919 is a prime.
It is a super-2 number, since 2×3814582459272 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (381458245027) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1576273623 + ... + 1576273864.
Almost surely, 2381458245927 is an apocalyptic number.
381458245927 is a deficient number, since it is larger than the sum of its proper divisors (37830569977).
381458245927 is a wasteful number, since it uses less digits than its factorization.
381458245927 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3152547509 (or 3152547498 counting only the distinct ones).
The product of its digits is 19353600, while the sum is 58.
The spelling of 381458245927 in words is "three hundred eighty-one billion, four hundred fifty-eight million, two hundred forty-five thousand, nine hundred twenty-seven".
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