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86862026868 = 223101241347857
BaseRepresentation
bin101000011100101100…
…0010101100001110100
322022012120020011020020
41100321120111201310
52410343134324433
6103523122405140
76163344021561
oct1207130254164
9268176204206
1086862026868
1133924393471
1214a01b007b0
138263990146
1442c025b868
1523d5b31cb3
hex1439615874

86862026868 has 96 divisors (see below), whose sum is σ = 206366928768. Its totient is φ = 28432896000.

The previous prime is 86862026863. The next prime is 86862026897.

86862026868 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86862026863) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101355496 + ... + 101356352.

It is an arithmetic number, because the mean of its divisors is an integer number (2149655508).

Almost surely, 286862026868 is an apocalyptic number.

It is an amenable number.

86862026868 is an abundant number, since it is smaller than the sum of its proper divisors (119504901900).

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

86862026868 is a wasteful number, since it uses less digits than its factorization.

86862026868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553 (or 1551 counting only the distinct ones).

The product of its (nonzero) digits is 21233664, while the sum is 60.

The spelling of 86862026868 in words is "eighty-six billion, eight hundred sixty-two million, twenty-six thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 101 202 241 303 347 404 482 606 694 723 857 964 1041 1212 1388 1446 1714 2082 2571 2892 3428 4164 5142 10284 24341 35047 48682 70094 73023 83627 86557 97364 105141 140188 146046 167254 173114 206537 210282 250881 259671 292092 297379 334508 346228 413074 420564 501762 519342 594758 619611 826148 892137 1003524 1038684 1189516 1239222 1784274 2478444 3568548 8446327 16892654 20860237 25338981 30035279 33785308 41720474 50677962 60070558 62580711 71668339 83440948 90105837 101355924 120141116 125161422 143336678 180211674 215005017 250322844 286673356 360423348 430010034 860020068 7238502239 14477004478 21715506717 28954008956 43431013434 86862026868