Base | Representation |
---|---|
bin | 1000001000010… |
… | …01011001011010 |
3 | 11202022201020012 |
4 | 10010021121122 |
5 | 114424232210 |
6 | 10433401522 |
7 | 1455440645 |
oct | 404113132 |
9 | 152281205 |
10 | 68195930 |
11 | 35549680 |
12 | 1aa092a2 |
13 | 1118962a |
14 | 90b2a5c |
15 | 5ec1305 |
hex | 410965a |
68195930 has 32 divisors (see below), whose sum is σ = 134388288. Its totient is φ = 24710400.
The previous prime is 68195927. The next prime is 68195951. The reversal of 68195930 is 3959186.
It is a super-3 number, since 3×681959303 (a number of 24 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35474 + ... + 37346.
It is an arithmetic number, because the mean of its divisors is an integer number (4199634).
Almost surely, 268195930 is an apocalyptic number.
68195930 is a deficient number, since it is larger than the sum of its proper divisors (66192358).
68195930 is a wasteful number, since it uses less digits than its factorization.
68195930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2222.
The product of its (nonzero) digits is 58320, while the sum is 41.
The square root of 68195930 is about 8258.0827072632. The cubic root of 68195930 is about 408.5571532449.
The spelling of 68195930 in words is "sixty-eight million, one hundred ninety-five thousand, nine hundred thirty".
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