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28282855162215 = 35611671207315331
BaseRepresentation
bin1100110111001000111011…
…00010010000000101100111
310201010210222210201221021010
412123210131202100011213
512201341241410142330
6140052544141553303
75646240342162633
oct633443542200547
9121123883657233
1028282855162215
119014767452145
1232094a6b75833
1312a20a5a01064
146dac7ca19dc3
15340a7e2233b0
hex19b91d890167

28282855162215 has 64 divisors (see below), whose sum is σ = 46276680102912. Its totient is φ = 14745880396800.

The previous prime is 28282855162187. The next prime is 28282855162307. The reversal of 28282855162215 is 51226155828282.

It is not a de Polignac number, because 28282855162215 - 222 = 28282850967911 is a prime.

It is a super-2 number, since 2×282828551622152 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1844807100 + ... + 1844822430.

It is an arithmetic number, because the mean of its divisors is an integer number (723073126608).

Almost surely, 228282855162215 is an apocalyptic number.

28282855162215 is a deficient number, since it is larger than the sum of its proper divisors (17993824940697).

28282855162215 is a wasteful number, since it uses less digits than its factorization.

28282855162215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27640.

The product of its digits is 12288000, while the sum is 57.

The spelling of 28282855162215 in words is "twenty-eight trillion, two hundred eighty-two billion, eight hundred fifty-five million, one hundred sixty-two thousand, two hundred fifteen".

Divisors: 1 3 5 15 61 167 183 305 501 835 915 2505 10187 12073 15331 30561 36219 45993 50935 60365 76655 152805 181095 229965 736453 935191 2016191 2209359 2560277 2805573 3682265 4675955 6048573 7680831 10080955 11046795 12801385 14027865 30242865 38404155 122987651 156176897 185091163 368962953 468530691 555273489 614938255 780884485 925455815 1844814765 2342653455 2776367445 11290560943 30910224221 33871682829 56452804715 92730672663 154551121105 169358414145 463653363315 1885523677481 5656571032443 9427618387405 28282855162215