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28703516675275 = 52131272209331477
BaseRepresentation
bin1101000011011000011101…
…11010100100110011001011
310202122000210102120220211101
412201230032322210303023
512230234300232102100
6141014114042042231
76021521621065231
oct641541672446313
9122560712526741
1028703516675275
119167102956072
123276b257a9377
131302964a9c470
14713386ca0951
1534b99e9a686a
hex1a1b0eea4ccb

28703516675275 has 48 divisors (see below), whose sum is σ = 38635023422464. Its totient is φ = 21027922030080.

The previous prime is 28703516675269. The next prime is 28703516675279. The reversal of 28703516675275 is 57257661530782.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-28703516675275 is a prime.

It is a super-3 number, since 3×287035166752753 (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28703516675279) 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 47 ways as a sum of consecutive naturals, for example, 911872837 + ... + 911904313.

Almost surely, 228703516675275 is an apocalyptic number.

28703516675275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28703516675275 is a deficient number, since it is larger than the sum of its proper divisors (9931506747189).

28703516675275 is a wasteful number, since it uses less digits than its factorization.

28703516675275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53720 (or 53715 counting only the distinct ones).

The product of its (nonzero) digits is 148176000, while the sum is 64.

The spelling of 28703516675275 in words is "twenty-eight trillion, seven hundred three billion, five hundred sixteen million, six hundred seventy-five thousand, two hundred seventy-five".

Divisors: 1 5 13 25 65 127 325 635 1651 3175 8255 22093 31477 41275 110465 157385 287209 409201 552325 786925 1436045 2046005 2805811 3997579 7180225 10230025 14029055 19987895 36475543 51968527 70145275 99939475 182377715 259842635 695421361 911888575 1299213175 3477106805 9040477693 17385534025 45202388465 88318512847 226011942325 441592564235 1148140667011 2207962821175 5740703335055 28703516675275