Base | Representation |
---|---|
bin | 110010011110110101… |
… | …0011110110101000101 |
3 | 101100211012011000210110 |
4 | 1210331222132311011 |
5 | 3234010113311101 |
6 | 121445143143233 |
7 | 10555316664054 |
oct | 1447552366505 |
9 | 340735130713 |
10 | 108408728901 |
11 | 41a809a0630 |
12 | 19015a44b19 |
13 | a2b892c285 |
14 | 5365b2239b |
15 | 2c4756ecd6 |
hex | 193da9ed45 |
108408728901 has 48 divisors (see below), whose sum is σ = 172910573568. Its totient is φ = 59842502400.
The previous prime is 108408728881. The next prime is 108408728941. The reversal of 108408728901 is 109827804801.
It is not a de Polignac number, because 108408728901 - 222 = 108404534597 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (108408728941) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 112306 + ... + 478988.
It is an arithmetic number, because the mean of its divisors is an integer number (3602303616).
Almost surely, 2108408728901 is an apocalyptic number.
108408728901 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
108408728901 is a deficient number, since it is larger than the sum of its proper divisors (64501844667).
108408728901 is a wasteful number, since it uses less digits than its factorization.
108408728901 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 366762 (or 366745 counting only the distinct ones).
The product of its (nonzero) digits is 258048, while the sum is 48.
The spelling of 108408728901 in words is "one hundred eight billion, four hundred eight million, seven hundred twenty-eight thousand, nine hundred one".
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