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68995110028230 = 234585179148183
BaseRepresentation
bin11111011000000001011010…
…00001100100001111000110
3100001021212102211212001010000
433230000231001210033012
533020403441131400410
6402423525503542130
720350506100556361
oct1754005501441706
9301255384761100
1068995110028230
111aa90730a04051
1278a386a8ba946
132c66298624759
141307549bdd0d8
157e9ac3d0ddc0
hex3ec02d0643c6

68995110028230 has 40 divisors (see below), whose sum is σ = 185520184744752. Its totient is φ = 18398696007312.

The previous prime is 68995110028217. The next prime is 68995110028307. The reversal of 68995110028230 is 3282001159986.

68995110028230 is a `hidden beast` number, since 6 + 8 + 99 + 511 + 0 + 0 + 2 + 8 + 2 + 30 = 666.

It is a super-2 number, since 2×689951100282302 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 42589573282 + ... + 42589574901.

Almost surely, 268995110028230 is an apocalyptic number.

68995110028230 is an abundant number, since it is smaller than the sum of its proper divisors (116525074716522).

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

68995110028230 is a wasteful number, since it uses less digits than its factorization.

68995110028230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85179148202 (or 85179148193 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The spelling of 68995110028230 in words is "sixty-eight trillion, nine hundred ninety-five billion, one hundred ten million, twenty-eight thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 270 405 810 85179148183 170358296366 255537444549 425895740915 511074889098 766612333647 851791481830 1277687222745 1533224667294 2299837000941 2555374445490 3833061668235 4599674001882 6899511002823 7666123336470 11499185004705 13799022005646 22998370009410 34497555014115 68995110028230