Base | Representation |
---|---|
bin | 11111011000000001011010… |
… | …00001100100001111000110 |
3 | 100001021212102211212001010000 |
4 | 33230000231001210033012 |
5 | 33020403441131400410 |
6 | 402423525503542130 |
7 | 20350506100556361 |
oct | 1754005501441706 |
9 | 301255384761100 |
10 | 68995110028230 |
11 | 1aa90730a04051 |
12 | 78a386a8ba946 |
13 | 2c66298624759 |
14 | 1307549bdd0d8 |
15 | 7e9ac3d0ddc0 |
hex | 3ec02d0643c6 |
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".
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