Base | Representation |
---|---|
bin | 1011000101101110010… |
… | …10010000100001000100 |
3 | 1100102111122020122021111 |
4 | 11202313022100201010 |
5 | 22220322142313133 |
6 | 451013124054404 |
7 | 36346164626023 |
oct | 5426712204104 |
9 | 1312448218244 |
10 | 381030041668 |
11 | 137659585991 |
12 | 61a1a234404 |
13 | 29c1448b823 |
14 | 14628a088ba |
15 | 9da12e51cd |
hex | 58b7290844 |
381030041668 has 6 divisors (see below), whose sum is σ = 666802572926. Its totient is φ = 190515020832.
The previous prime is 381030041633. The next prime is 381030041701. The reversal of 381030041668 is 866140030183.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 268937662464 + 112092379204 = 518592^2 + 334802^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 381030041668.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47628755205 + ... + 47628755212.
Almost surely, 2381030041668 is an apocalyptic number.
It is an amenable number.
381030041668 is a deficient number, since it is larger than the sum of its proper divisors (285772531258).
381030041668 is a wasteful number, since it uses less digits than its factorization.
381030041668 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 95257510421 (or 95257510419 counting only the distinct ones).
The product of its (nonzero) digits is 82944, while the sum is 40.
The spelling of 381030041668 in words is "three hundred eighty-one billion, thirty million, forty-one thousand, six hundred sixty-eight".
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