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83868841842 = 23832576131069
BaseRepresentation
bin100111000011011111…
…0001111011101110010
322000110222000121021120
41032012332033131302
52333230410414332
6102310120203110
76026230251612
oct1160676173562
9260428017246
1083868841842
1132628858235
1214307609496
137ba7823846
1440b890aa42
1522ace8732c
hex1386f8f772

83868841842 has 64 divisors (see below), whose sum is σ = 170856846720. Its totient is φ = 27441414144.

The previous prime is 83868841831. The next prime is 83868841871. The reversal of 83868841842 is 24814886838.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78454884 + ... + 78455952.

It is an arithmetic number, because the mean of its divisors is an integer number (2669638230).

Almost surely, 283868841842 is an apocalyptic number.

83868841842 is an abundant number, since it is smaller than the sum of its proper divisors (86988004878).

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

83868841842 is a wasteful number, since it uses less digits than its factorization.

83868841842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2027.

The product of its digits is 18874368, while the sum is 60.

The spelling of 83868841842 in words is "eighty-three billion, eight hundred sixty-eight million, eight hundred forty-one thousand, eight hundred forty-two".

Divisors: 1 2 3 6 83 166 249 257 498 514 613 771 1069 1226 1542 1839 2138 3207 3678 6414 21331 42662 50879 63993 88727 101758 127986 152637 157541 177454 266181 274733 305274 315082 472623 532362 549466 655297 824199 945246 1310594 1648398 1965891 3931782 13075903 22802839 26151806 39227709 45605678 54389651 68408517 78455418 108779302 136817034 163168953 168411329 326337906 336822658 505233987 1010467974 13978140307 27956280614 41934420921 83868841842