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2081739373458 = 23195310917917659
BaseRepresentation
bin11110010010110001010…
…101011111101110010010
321101000022222220020210020
4132102301111133232102
5233101400234422313
64232200551244310
7303254304500223
oct36226125375622
97330288806706
102081739373458
11732951672998
12297556379696
131213cbb50044
1472a8463d24a
153923e02b323
hex1e4b155fb92

2081739373458 has 128 divisors (see below), whose sum is σ = 4531697280000. Its totient is φ = 635464237824.

The previous prime is 2081739373447. The next prime is 2081739373621. The reversal of 2081739373458 is 8543739371802.

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 63 ways as a sum of consecutive naturals, for example, 117876633 + ... + 117894291.

It is an arithmetic number, because the mean of its divisors is an integer number (35403885000).

Almost surely, 22081739373458 is an apocalyptic number.

2081739373458 is an abundant number, since it is smaller than the sum of its proper divisors (2449957906542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2081739373458 is a wasteful number, since it uses less digits than its factorization.

2081739373458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18024.

The product of its (nonzero) digits is 30481920, while the sum is 60.

The spelling of 2081739373458 in words is "two trillion, eighty-one billion, seven hundred thirty-nine million, three hundred seventy-three thousand, four hundred fifty-eight".

Divisors: 1 2 3 6 19 38 53 57 106 109 114 159 179 218 318 327 358 537 654 1007 1074 2014 2071 3021 3401 4142 5777 6042 6213 6802 9487 10203 11554 12426 17331 17659 18974 19511 20406 28461 34662 35318 39022 52977 56922 58533 105954 109763 117066 180253 219526 329289 335521 360506 370709 540759 658578 671042 741418 935927 1006563 1034083 1081518 1112127 1871854 1924831 2013126 2068166 2224254 2807781 3102249 3160961 3849662 5615562 5774493 6204498 6321922 9482883 11548986 17782613 18965766 19647577 35565226 36571789 39295154 53347839 58942731 60058259 73143578 102016043 106695678 109715367 117885462 120116518 167530933 180174777 204032086 219430734 306048129 335061866 344544749 360349554 502592799 612096258 689089498 1005185598 1033634247 1938304817 2067268494 3183087727 3876609634 5814914451 6366175454 6546350231 9549263181 11629828902 13092700462 18260871697 19098526362 19639050693 36521743394 39278101386 54782615091 109565230182 346956562243 693913124486 1040869686729 2081739373458