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28268355386282 = 21110356921924433
BaseRepresentation
bin1100110110101101111010…
…10001111111101110101010
310201002102120021211222222212
412123112331101333232222
512201122042434330112
6140042145253245122
75645215125132464
oct633267521775652
9121072507758885
1028268355386282
1190095a672a950
12320671b0337a2
1312a09049b809b
146da2a5009134
153404d12bd522
hex19b5bd47fbaa

28268355386282 has 32 divisors (see below), whose sum is σ = 46788496110720. Its totient is φ = 12702138923520.

The previous prime is 28268355386273. The next prime is 28268355386407.

28268355386282 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×282683553862822 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9672863 + ... + 12251570.

It is an arithmetic number, because the mean of its divisors is an integer number (1462140503460).

Almost surely, 228268355386282 is an apocalyptic number.

28268355386282 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28268355386282 is a deficient number, since it is larger than the sum of its proper divisors (18520140724438).

28268355386282 is a wasteful number, since it uses less digits than its factorization.

28268355386282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21925118.

The product of its digits is 530841600, while the sum is 68.

The spelling of 28268355386282 in words is "twenty-eight trillion, two hundred sixty-eight billion, three hundred fifty-five million, three hundred eighty-six thousand, two hundred eighty-two".

Divisors: 1 2 11 22 103 206 569 1133 1138 2266 6259 12518 58607 117214 644677 1289354 21924433 43848866 241168763 482337526 2258216599 4516433198 12475002377 24840382589 24950004754 49680765178 137225026147 274450052294 1284925244831 2569850489662 14134177693141 28268355386282