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85010650281 = 364318114983
BaseRepresentation
bin100111100101100000…
…1111001010010101001
322010102112112111000000
41033023001321102221
52343100211302111
6103015305133213
76066433414314
oct1171301712251
9263375474000
1085010650281
1133064328877
1214585a8a209
13802a25223b
14418640d97b
15232832ac56
hex13cb0794a9

85010650281 has 56 divisors (see below), whose sum is σ = 131151116096. Its totient is φ = 55046265120.

The previous prime is 85010650259. The next prime is 85010650331. The reversal of 85010650281 is 18205601058.

It is not a de Polignac number, because 85010650281 - 221 = 85008553129 is a prime.

It is a super-2 number, since 2×850106502812 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85010650981) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 5666316 + ... + 5681298.

It is an arithmetic number, because the mean of its divisors is an integer number (2341984216).

Almost surely, 285010650281 is an apocalyptic number.

85010650281 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

85010650281 is a deficient number, since it is larger than the sum of its proper divisors (46140465815).

85010650281 is a wasteful number, since it uses less digits than its factorization.

85010650281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15225 (or 15210 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 36.

The spelling of 85010650281 in words is "eighty-five billion, ten million, six hundred fifty thousand, two hundred eighty-one".

Divisors: 1 3 9 27 43 81 129 181 243 387 543 729 1161 1629 3483 4887 7783 10449 14661 14983 23349 31347 43983 44949 70047 131949 134847 210141 404541 630423 644269 1213623 1891269 1932807 2711923 3640869 5673807 5798421 8135769 10922607 17395263 24407307 52185789 73221921 116612689 156557367 219665763 349838067 469672101 658997289 1049514201 1976991867 3148542603 9445627809 28336883427 85010650281