Base | Representation |
---|---|
bin | 1000000111101… |
… | …00011101000000 |
3 | 11202011100112221 |
4 | 10003310131000 |
5 | 114414011034 |
6 | 10431500424 |
7 | 1454632564 |
oct | 403643500 |
9 | 152140487 |
10 | 68110144 |
11 | 354a0183 |
12 | 1a987714 |
13 | 1115957b |
14 | 908d6a4 |
15 | 5ea5bb4 |
hex | 40f4740 |
68110144 has 28 divisors (see below), whose sum is σ = 138037824. Its totient is φ = 33329024.
The previous prime is 68110129. The next prime is 68110181. The reversal of 68110144 is 44101186.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8314 + ... + 14329.
Almost surely, 268110144 is an apocalyptic number.
68110144 is a gapful number since it is divisible by the number (64) formed by its first and last digit.
It is an amenable number.
68110144 is an abundant number, since it is smaller than the sum of its proper divisors (69927680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68110144 is a wasteful number, since it uses less digits than its factorization.
68110144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22702 (or 22692 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 25.
The square root of 68110144 is about 8252.8870100105. The cubic root of 68110144 is about 408.3857686747.
The spelling of 68110144 in words is "sixty-eight million, one hundred ten thousand, one hundred forty-four".
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