Base | Representation |
---|---|
bin | 1100111000000… |
… | …10111000011000 |
3 | 21112020201220022 |
4 | 12130002320120 |
5 | 210122441003 |
6 | 14415050012 |
7 | 2451053624 |
oct | 634027030 |
9 | 245221808 |
10 | 108015128 |
11 | 55a76401 |
12 | 30210908 |
13 | 194bbaa0 |
14 | 104ba184 |
15 | 9739738 |
hex | 6702e18 |
108015128 has 32 divisors (see below), whose sum is σ = 218714160. Its totient is φ = 49714560.
The previous prime is 108015119. The next prime is 108015137. The reversal of 108015128 is 821510801.
It is an interprime number because it is at equal distance from previous prime (108015119) and next prime (108015137).
It is a Harshad number since it is a multiple of its sum of digits (26).
It is a junction number, because it is equal to n+sod(n) for n = 108015097 and 108015106.
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 7 ways as a sum of consecutive naturals, for example, 42551 + ... + 45017.
Almost surely, 2108015128 is an apocalyptic number.
It is an amenable number.
108015128 is an abundant number, since it is smaller than the sum of its proper divisors (110699032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
108015128 is a wasteful number, since it uses less digits than its factorization.
108015128 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2907 (or 2903 counting only the distinct ones).
The product of its (nonzero) digits is 640, while the sum is 26.
The square root of 108015128 is about 10393.0326661663. The cubic root of 108015128 is about 476.2425499256.
Adding to 108015128 its reverse (821510801), we get a palindrome (929525929).
The spelling of 108015128 in words is "one hundred eight million, fifteen thousand, one hundred twenty-eight".
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