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2838928927381 = 6742372073543
BaseRepresentation
bin101001010011111101010…
…110011010101010010101
3101001101202211122000000221
4221103331112122222111
5333003111301134011
610012104055234341
7412051206505141
oct51237526325225
911041684560027
102838928927381
119a4a8a406938
1239a2536789b1
1317792c700301
149b595054221
154dca8c36971
hex294fd59aa95

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".

Divisors: 1 67 42372073543 2838928927381