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28159640152622 = 211221137310391423
BaseRepresentation
bin1100110011100011011010…
…10110010010101000101110
310200201000221201221220201022
412121301231112102220232
512142331420334340442
6135520205440414142
75634316063654466
oct631615526225056
9120630851856638
1028159640152622
118a77488822800
1231a963a617352
13129359a721364
146d4d106dcba6
1533c76bda73d2
hex199c6d592a2e

28159640152622 has 96 divisors (see below), whose sum is σ = 46851520235520. Its totient is φ = 12683872555200.

The previous prime is 28159640152613. The next prime is 28159640152639. The reversal of 28159640152622 is 22625104695182.

It is a happy number.

It is a super-2 number, since 2×281596401526222 (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 47 ways as a sum of consecutive naturals, for example, 19788924203 + ... + 19788925625.

It is an arithmetic number, because the mean of its divisors is an integer number (488036669120).

Almost surely, 228159640152622 is an apocalyptic number.

28159640152622 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28159640152622 is a deficient number, since it is larger than the sum of its proper divisors (18691880082898).

28159640152622 is a wasteful number, since it uses less digits than its factorization.

28159640152622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3070 (or 3059 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 53.

The spelling of 28159640152622 in words is "twenty-eight trillion, one hundred fifty-nine billion, six hundred forty million, one hundred fifty-two thousand, six hundred twenty-two".

Divisors: 1 2 11 22 121 211 242 373 422 746 1039 1423 2078 2321 2846 4103 4642 8206 11429 15653 22858 25531 31306 45133 51062 78703 90266 125719 157406 172183 219229 251438 300253 344366 387547 438458 530779 600506 775094 865733 1061558 1478497 1731466 2411519 2956994 3302783 4263017 4823038 5838569 6605566 8526034 9523063 11677138 16263467 19046126 26526709 32526934 36330613 46893187 53053418 64224259 72661226 81772417 93786374 111994369 128448518 163544834 178898137 223988738 311962867 357796274 551479381 623925734 899496587 1102958762 1231938059 1798993174 2463876118 3431591537 6066273191 6863183074 9894462457 12132546382 13551318649 19788924914 27102637298 37747506907 66729005101 75495013814 116362149391 133458010202 232724298782 1279983643301 2559967286602 14079820076311 28159640152622