Base | Representation |
---|---|
bin | 1011000111011110100… |
… | …01000111101001111001 |
3 | 1100111221020111210102002 |
4 | 11203233101013221321 |
5 | 22224234132130343 |
6 | 451250351550345 |
7 | 36411415012256 |
oct | 5435721075171 |
9 | 1314836453362 |
10 | 381971364473 |
11 | 137aa1971716 |
12 | 6204152b3b5 |
13 | 2a0344c2b7a |
14 | 146b7a4042d |
15 | 9e08c858b8 |
hex | 58ef447a79 |
381971364473 has 8 divisors (see below), whose sum is σ = 382211661216. Its totient is φ = 381731126400.
The previous prime is 381971364451. The next prime is 381971364491. The reversal of 381971364473 is 374463179183.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 381971364473 - 216 = 381971298937 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (381971364403) 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, 25303658 + ... + 25318748.
It is an arithmetic number, because the mean of its divisors is an integer number (47776457652).
Almost surely, 2381971364473 is an apocalyptic number.
It is an amenable number.
381971364473 is a deficient number, since it is larger than the sum of its proper divisors (240296743).
381971364473 is a wasteful number, since it uses less digits than its factorization.
381971364473 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29335.
The product of its digits is 9144576, while the sum is 56.
The spelling of 381971364473 in words is "three hundred eighty-one billion, nine hundred seventy-one million, three hundred sixty-four thousand, four hundred seventy-three".
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