Base | Representation |
---|---|
bin | 110010101011000011… |
… | …1101010001100111000 |
3 | 101101212210012112020120 |
4 | 1211112013222030320 |
5 | 3240330132441330 |
6 | 121554001253240 |
7 | 10601431333452 |
oct | 1452607521470 |
9 | 341783175216 |
10 | 108819030840 |
11 | 42171562543 |
12 | 1910b334220 |
13 | a3529399a0 |
14 | 53a44092d2 |
15 | 2c6d5bac10 |
hex | 19561ea338 |
108819030840 has 128 divisors (see below), whose sum is σ = 351654912000. Its totient is φ = 26779691520.
The previous prime is 108819030829. The next prime is 108819030841. The reversal of 108819030840 is 48030918801.
It is a super-2 number, since 2×1088190308402 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 108819030792 and 108819030801.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (108819030841) 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, 10757385 + ... + 10767495.
It is an arithmetic number, because the mean of its divisors is an integer number (2747304000).
Almost surely, 2108819030840 is an apocalyptic number.
108819030840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
108819030840 is an abundant number, since it is smaller than the sum of its proper divisors (242835881160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
108819030840 is a wasteful number, since it uses less digits than its factorization.
108819030840 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17037 (or 17033 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 42.
The spelling of 108819030840 in words is "one hundred eight billion, eight hundred nineteen million, thirty thousand, eight hundred forty".
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