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1688059124668 = 2271973074632153
BaseRepresentation
bin11000100100001000001…
…010100001101110111100
312222101011202001111200001
4120210020022201232330
5210124121113442133
63331252245244044
7232646451545650
oct30441012415674
95871152044601
101688059124668
115a09a1406184
122331a7703624
13c324c902677
145b9b9920a60
152dd9c37b87d
hex189082a1bbc

1688059124668 has 96 divisors (see below), whose sum is σ = 3413246183424. Its totient is φ = 715554943488.

The previous prime is 1688059124629. The next prime is 1688059124677. The reversal of 1688059124668 is 8664219508861.

It is a super-2 number, since 2×16880591246682 (a number of 25 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 (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 784048680 + ... + 784050832.

It is an arithmetic number, because the mean of its divisors is an integer number (35554647744).

Almost surely, 21688059124668 is an apocalyptic number.

It is an amenable number.

1688059124668 is an abundant number, since it is smaller than the sum of its proper divisors (1725187058756).

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

1688059124668 is a wasteful number, since it uses less digits than its factorization.

1688059124668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3131 (or 3129 counting only the distinct ones).

The product of its (nonzero) digits is 39813120, while the sum is 64.

The spelling of 1688059124668 in words is "one trillion, six hundred eighty-eight billion, fifty-nine million, one hundred twenty-four thousand, six hundred sixty-eight".

Divisors: 1 2 4 7 14 28 197 307 394 463 614 788 926 1228 1379 1852 2149 2153 2758 3241 4298 4306 5516 6482 8596 8612 12964 15071 30142 60284 60479 91211 120958 142141 182422 241916 284282 364844 423353 424141 568564 638477 660971 846706 848282 994987 996839 1276954 1321942 1693412 1696564 1989974 1993678 2553908 2643884 2968987 3979948 3987356 4626797 5937974 6977873 9253594 11875948 13955746 18507188 27911492 28001777 56003554 112007108 130211287 196012439 196377283 260422574 306029573 392024878 392754566 520845148 612059146 784049756 785509132 911479009 1224118292 1374640981 1822958018 2142207011 2749281962 3645916036 4284414022 5498563924 8568828044 60287825881 120575651762 241151303524 422014781167 844029562334 1688059124668