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115223170842 = 23413834991321
BaseRepresentation
bin110101101001111010…
…1100000111100011010
3102000102002201112210000
41223103311200330122
53341434112431332
6124533252233430
711216223535533
oct1532365407432
9360362645700
10115223170842
114495852672a
121a3b800b876
13ab33666540
145810b7968a
152ee5933b7c
hex1ad3d60f1a

115223170842 has 160 divisors (see below), whose sum is σ = 282172968000. Its totient is φ = 34929480960.

The previous prime is 115223170837. The next prime is 115223170859. The reversal of 115223170842 is 248071322511.

It is a junction number, because it is equal to n+sod(n) for n = 115223170797 and 115223170806.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 87223542 + ... + 87224862.

It is an arithmetic number, because the mean of its divisors is an integer number (1763581050).

Almost surely, 2115223170842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115223170842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141086484000).

115223170842 is an abundant number, since it is smaller than the sum of its proper divisors (166949797158).

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

115223170842 is a wasteful number, since it uses less digits than its factorization.

115223170842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930 (or 1921 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The spelling of 115223170842 in words is "one hundred fifteen billion, two hundred twenty-three million, one hundred seventy thousand, eight hundred forty-two".

Divisors: 1 2 3 6 9 13 18 26 27 39 54 78 81 83 117 162 166 234 249 351 498 499 702 747 998 1053 1079 1321 1494 1497 2106 2158 2241 2642 2994 3237 3963 4482 4491 6474 6487 6723 7926 8982 9711 11889 12974 13446 13473 17173 19422 19461 23778 26946 29133 34346 35667 38922 40419 41417 51519 58266 58383 71334 80838 82834 87399 103038 107001 109643 116766 124251 154557 174798 175149 214002 219286 248502 309114 328929 350298 372753 463671 525447 538421 657858 659179 745506 927342 986787 1050894 1076842 1118259 1318358 1391013 1425359 1615263 1973574 1977537 2236518 2782026 2850718 2960361 3230526 3354777 3955074 4276077 4845789 5920722 5932611 6709554 8552154 8569327 8881083 9691578 11865222 12828231 14537367 17138654 17762166 17797833 25656462 25707981 29074734 35595666 38484693 43612101 51415962 53393499 54711857 76969386 77123943 87224202 106786998 109423714 115454079 154247886 164135571 230908158 231371829 328271142 462743658 492406713 694115487 711254141 984813426 1388230974 1422508282 1477220139 2133762423 2954440278 4267524846 4431660417 6401287269 8863320834 12802574538 19203861807 38407723614 57611585421 115223170842