Base | Representation |
---|---|
bin | 10011010101100111… |
… | …01111110001000111 |
3 | 222210112100101011021 |
4 | 21222303233301013 |
5 | 132230230300422 |
6 | 4434103452011 |
7 | 515162363542 |
oct | 115263576107 |
9 | 28715311137 |
10 | 10381884487 |
11 | 4448337527 |
12 | 2018a57007 |
13 | c95b58320 |
14 | 706b6d859 |
15 | 40b693dc7 |
hex | 26acefc47 |
10381884487 has 8 divisors (see below), whose sum is σ = 11768938160. Its totient is φ = 9078894720.
The previous prime is 10381884431. The next prime is 10381884497. The reversal of 10381884487 is 78448818301.
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 10381884487 - 223 = 10373495879 is a prime.
It is a super-2 number, since 2×103818844872 (a number of 21 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 (10381884497) 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, 21015714 + ... + 21016207.
It is an arithmetic number, because the mean of its divisors is an integer number (1471117270).
Almost surely, 210381884487 is an apocalyptic number.
10381884487 is a deficient number, since it is larger than the sum of its proper divisors (1387053673).
10381884487 is a wasteful number, since it uses less digits than its factorization.
10381884487 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42031953.
The product of its (nonzero) digits is 1376256, while the sum is 52.
The spelling of 10381884487 in words is "ten billion, three hundred eighty-one million, eight hundred eighty-four thousand, four hundred eighty-seven".
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