Base | Representation |
---|---|
bin | 1000001011110… |
… | …01000000111100 |
3 | 11210011221101000 |
4 | 10011321000330 |
5 | 120033344431 |
6 | 10451250300 |
7 | 1462353600 |
oct | 405710074 |
9 | 153157330 |
10 | 68653116 |
11 | 35831114 |
12 | 1aba9990 |
13 | 112b975c |
14 | 9191500 |
15 | 60619e6 |
hex | 417903c |
68653116 has 72 divisors (see below), whose sum is σ = 207065040. Its totient is φ = 19613664.
The previous prime is 68653103. The next prime is 68653129. The reversal of 68653116 is 61135686.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (68653103) and next prime (68653129).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1195 + ... + 11778.
Almost surely, 268653116 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 68653116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103532520).
68653116 is an abundant number, since it is smaller than the sum of its proper divisors (138411924).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68653116 is a wasteful number, since it uses less digits than its factorization.
68653116 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13000 (or 12985 counting only the distinct ones).
The product of its digits is 25920, while the sum is 36.
The square root of 68653116 is about 8285.7175911323. The cubic root of 68653116 is about 409.4681106002.
The spelling of 68653116 in words is "sixty-eight million, six hundred fifty-three thousand, one hundred sixteen".
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