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28944733744982 = 2112533675192743
BaseRepresentation
bin1101001010011001110001…
…00100101010111101010110
310210111002102021001200121002
412211030320210222331112
512243212303314314412
6141321005505023302
76045121325254226
oct645147044527526
9123432367050532
1028944733744982
11924a43567a840
1232b5824924b32
13131c627360a83
14720d0b044086
15352dbb6c0dc2
hex1a533892af56

28944733744982 has 16 divisors (see below), whose sum is σ = 47364305824512. Its totient is φ = 13156642695720.

The previous prime is 28944733744973. The next prime is 28944733745027.

It is a happy number.

28944733744982 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×289447337449822 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2977703 + ... + 8170445.

It is an arithmetic number, because the mean of its divisors is an integer number (2960269114032).

Almost surely, 228944733744982 is an apocalyptic number.

28944733744982 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28944733744982 is a deficient number, since it is larger than the sum of its proper divisors (18419572079530).

28944733744982 is a wasteful number, since it uses less digits than its factorization.

28944733744982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5446123.

The product of its digits is 2341011456, while the sum is 74.

The spelling of 28944733744982 in words is "twenty-eight trillion, nine hundred forty-four billion, seven hundred thirty-three million, seven hundred forty-four thousand, nine hundred eighty-two".

Divisors: 1 2 11 22 253367 506734 2787037 5192743 5574074 10385486 57120173 114240346 1315669715681 2631339431362 14472366872491 28944733744982