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28862273459044 = 2231273211872
BaseRepresentation
bin1101001000000000001011…
…00011101001001101100100
310210012012120110111010202201
412210000011203221031210
512240334414001142134
6141215051222544244
76036142020351304
oct644000543511544
9123165513433681
1028862273459044
11921846aa254a3
1232a1850b98084
1313149155c317c
1471ad27635604
15350b9221d914
hex1a40058e9364

28862273459044 has 81 divisors (see below), whose sum is σ = 52960213061721. Its totient is φ = 13762702077120.

The previous prime is 28862273459011. The next prime is 28862273459051. The reversal of 28862273459044 is 44095437226882.

The square root of 28862273459044 is 5372362.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 16383632428900 + 12478641030144 = 4047670^2 + 3532512^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 24315309819 + ... + 24315311005.

Almost surely, 228862273459044 is an apocalyptic number.

28862273459044 is the 5372362-nd square number.

It is an amenable number.

28862273459044 is a deficient number, since it is larger than the sum of its proper divisors (24097939602677).

28862273459044 is an frugal number, since it uses more digits than its factorization.

28862273459044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2586 (or 1293 counting only the distinct ones).

The product of its (nonzero) digits is 185794560, while the sum is 64.

The spelling of 28862273459044 in words is "twenty-eight trillion, eight hundred sixty-two billion, two hundred seventy-three million, four hundred fifty-nine thousand, forty-four".

Divisors: 1 2 4 31 62 73 124 146 292 961 1187 1922 2263 2374 3844 4526 4748 5329 9052 10658 21316 36797 70153 73594 86651 140306 147188 165199 173302 280612 330398 346604 660796 1140707 1408969 2281414 2686181 2817938 4562828 5121169 5372362 5635876 6325523 10242338 10744724 12651046 20484676 25302092 43678039 83271611 87356078 102854737 166543222 174712156 196091213 205709474 333086444 392182426 411418948 784364852 1354019209 2708038418 3188496847 5416076836 6078827603 6376993694 7508395801 12157655206 12753987388 15016791602 24315310412 30033583204 98843402257 197686804514 232760269831 395373609028 465520539662 931041079324 7215568364761 14431136729522 28862273459044