Base | Representation |
---|---|
bin | 1100111000000… |
… | …10010010110000 |
3 | 21112020121121010 |
4 | 12130002102300 |
5 | 210122401340 |
6 | 14415030520 |
7 | 2451043614 |
oct | 634022260 |
9 | 245217533 |
10 | 108012720 |
11 | 55a74612 |
12 | 3020b440 |
13 | 194ba96a |
14 | 104b9344 |
15 | 9738b80 |
hex | 67024b0 |
108012720 has 80 divisors (see below), whose sum is σ = 352477440. Its totient is φ = 27286272.
The previous prime is 108012719. The next prime is 108012743. The reversal of 108012720 is 27210801.
It is a tau number, because it is divible by the number of its divisors (80).
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, 7284 + ... + 16403.
It is an arithmetic number, because the mean of its divisors is an integer number (4405968).
Almost surely, 2108012720 is an apocalyptic number.
108012720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
108012720 is an abundant number, since it is smaller than the sum of its proper divisors (244464720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
108012720 is a wasteful number, since it uses less digits than its factorization.
108012720 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23722 (or 23716 counting only the distinct ones).
The product of its (nonzero) digits is 224, while the sum is 21.
The square root of 108012720 is about 10392.9168186799. The cubic root of 108012720 is about 476.2390109133.
The spelling of 108012720 in words is "one hundred eight million, twelve thousand, seven hundred twenty".
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