Base | Representation |
---|---|
bin | 1000000110111… |
… | …00010100001000 |
3 | 11201222022221000 |
4 | 10003130110020 |
5 | 114402330042 |
6 | 10425415000 |
7 | 1454041410 |
oct | 403342410 |
9 | 151868830 |
10 | 68011272 |
11 | 3543296a |
12 | 1a93a460 |
13 | 11123574 |
14 | 9065640 |
15 | 5e8674c |
hex | 40dc508 |
68011272 has 128 divisors (see below), whose sum is σ = 223027200. Its totient is φ = 18792000.
The previous prime is 68011267. The next prime is 68011277. The reversal of 68011272 is 27211086.
It is an interprime number because it is at equal distance from previous prime (68011267) and next prime (68011277).
It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (68011277) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46147 + ... + 47597.
It is an arithmetic number, because the mean of its divisors is an integer number (1742400).
Almost surely, 268011272 is an apocalyptic number.
68011272 is a gapful number since it is divisible by the number (62) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 68011272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111513600).
68011272 is an abundant number, since it is smaller than the sum of its proper divisors (155015928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68011272 is a wasteful number, since it uses less digits than its factorization.
68011272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1504 (or 1494 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 27.
The square root of 68011272 is about 8246.8946883054. The cubic root of 68011272 is about 408.1880620909.
The spelling of 68011272 in words is "sixty-eight million, eleven thousand, two hundred seventy-two".
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