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85867374112 = 251312710931487
BaseRepresentation
bin100111111111000011…
…0000010011000100000
322012122020121120011021
41033332012002120200
52401324021432422
6103240311455224
76126605431402
oct1177606023040
9265566546137
1085867374112
11334639920a3
1214784987514
1381358a5b10
144228102b72
152378659dc7
hex13fe182620

85867374112 has 96 divisors (see below), whose sum is σ = 183780237312. Its totient is φ = 39256648704.

The previous prime is 85867374023. The next prime is 85867374113. The reversal of 85867374112 is 21147376858.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a self number, because there is not a number n which added to its sum of digits gives 85867374112.

It is not an unprimeable number, because it can be changed into a prime (85867374113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57744633 + ... + 57746119.

It is an arithmetic number, because the mean of its divisors is an integer number (1914377472).

Almost surely, 285867374112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85867374112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91890118656).

85867374112 is an abundant number, since it is smaller than the sum of its proper divisors (97912863200).

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

85867374112 is a wasteful number, since it uses less digits than its factorization.

85867374112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2730 (or 2722 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 52.

The spelling of 85867374112 in words is "eighty-five billion, eight hundred sixty-seven million, three hundred seventy-four thousand, one hundred twelve".

Divisors: 1 2 4 8 13 16 26 32 52 104 127 208 254 416 508 1016 1093 1487 1651 2032 2186 2974 3302 4064 4372 5948 6604 8744 11896 13208 14209 17488 19331 23792 26416 28418 34976 38662 47584 52832 56836 77324 113672 138811 154648 188849 227344 277622 309296 377698 454688 555244 618592 755396 1110488 1510792 1625291 1804543 2220976 2455037 3021584 3250582 3609086 4441952 4910074 6043168 6501164 7218172 9820148 13002328 14436344 19640296 21128783 26004656 28872688 39280592 42257566 52009312 57745376 78561184 84515132 169030264 206411957 338060528 412823914 676121056 825647828 1651295656 2683355441 3302591312 5366710882 6605182624 10733421764 21466843528 42933687056 85867374112