Base | Representation |
---|---|
bin | 1011010100011111001… |
… | …10000000000110111001 |
3 | 1101011222000122012012001 |
4 | 11222033212000012321 |
5 | 22333040234113231 |
6 | 454403424221001 |
7 | 40046460546022 |
oct | 5521746000671 |
9 | 1334860565161 |
10 | 388956160441 |
11 | 13aa56681272 |
12 | 6347076a761 |
13 | 2a8a8604634 |
14 | 14b7b55dc49 |
15 | a1b7099b61 |
hex | 5a8f9801b9 |
388956160441 has 4 divisors (see below), whose sum is σ = 388971671332. Its totient is φ = 388940649552.
The previous prime is 388956160423. The next prime is 388956160459. The reversal of 388956160441 is 144061659883.
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (388956160423) and next prime (388956160459).
It can be written as a sum of positive squares in 2 ways, for example, as 317217894841 + 71738265600 = 563221^2 + 267840^2 .
It is a cyclic number.
It is not a de Polignac number, because 388956160441 - 229 = 388419289529 is a prime.
It is a super-3 number, since 3×3889561604413 (a number of 36 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (388956167441) 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, 7717770 + ... + 7768003.
It is an arithmetic number, because the mean of its divisors is an integer number (97242917833).
Almost surely, 2388956160441 is an apocalyptic number.
It is an amenable number.
388956160441 is a deficient number, since it is larger than the sum of its proper divisors (15510891).
388956160441 is a wasteful number, since it uses less digits than its factorization.
388956160441 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15510890.
The product of its (nonzero) digits is 4976640, while the sum is 55.
The spelling of 388956160441 in words is "three hundred eighty-eight billion, nine hundred fifty-six million, one hundred sixty thousand, four hundred forty-one".
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