Base | Representation |
---|---|
bin | 101001010011111101010… |
… | …110011010101010010101 |
3 | 101001101202211122000000221 |
4 | 221103331112122222111 |
5 | 333003111301134011 |
6 | 10012104055234341 |
7 | 412051206505141 |
oct | 51237526325225 |
9 | 11041684560027 |
10 | 2838928927381 |
11 | 9a4a8a406938 |
12 | 39a2536789b1 |
13 | 17792c700301 |
14 | 9b595054221 |
15 | 4dca8c36971 |
hex | 294fd59aa95 |
2838928927381 has 4 divisors (see below), whose sum is σ = 2881301000992. Its totient is φ = 2796556853772.
The previous prime is 2838928927363. The next prime is 2838928927391. The reversal of 2838928927381 is 1837298298382.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 2838928927381 - 25 = 2838928927349 is a prime.
It is a super-2 number, since 2×28389289273812 (a number of 26 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2838928927381.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2838928927321) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21186036705 + ... + 21186036838.
It is an arithmetic number, because the mean of its divisors is an integer number (720325250248).
Almost surely, 22838928927381 is an apocalyptic number.
It is an amenable number.
2838928927381 is a deficient number, since it is larger than the sum of its proper divisors (42372073611).
2838928927381 is an equidigital number, since it uses as much as digits as its factorization.
2838928927381 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42372073610.
The product of its digits is 167215104, while the sum is 70.
The spelling of 2838928927381 in words is "two trillion, eight hundred thirty-eight billion, nine hundred twenty-eight million, nine hundred twenty-seven thousand, three hundred eighty-one".
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