Base | Representation |
---|---|
bin | 1011000110011110111… |
… | …00010000111111001011 |
3 | 1100110120000210100221102 |
4 | 11203033130100333023 |
5 | 22222140434242441 |
6 | 451121355332015 |
7 | 36362242351325 |
oct | 5431734207713 |
9 | 1313500710842 |
10 | 381437415371 |
11 | 137848527871 |
12 | 61b1275100b |
13 | 29c7a9b245c |
14 | 14666b6c615 |
15 | 9dc6e6369b |
hex | 58cf710fcb |
381437415371 has 4 divisors (see below), whose sum is σ = 381732875544. Its totient is φ = 381141955200.
The previous prime is 381437415349. The next prime is 381437415397. The reversal of 381437415371 is 173514734183.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 381437415371 - 214 = 381437398987 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (381437415871) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147728150 + ... + 147730731.
It is an arithmetic number, because the mean of its divisors is an integer number (95433218886).
Almost surely, 2381437415371 is an apocalyptic number.
381437415371 is a deficient number, since it is larger than the sum of its proper divisors (295460173).
381437415371 is a wasteful number, since it uses less digits than its factorization.
381437415371 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 295460172.
The product of its digits is 846720, while the sum is 47.
The spelling of 381437415371 in words is "three hundred eighty-one billion, four hundred thirty-seven million, four hundred fifteen thousand, three hundred seventy-one".
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