Base | Representation |
---|---|
bin | 110010111100100101… |
… | …1011010011111001000 |
3 | 101110101202222111210200 |
4 | 1211321023122133020 |
5 | 3243031221430413 |
6 | 122132212212200 |
7 | 10622133001623 |
oct | 1457113323710 |
9 | 343352874720 |
10 | 109407217608 |
11 | 42443581a07 |
12 | 1925430a060 |
13 | a41775a5b0 |
14 | 541c598dba |
15 | 2ca5053573 |
hex | 19792da7c8 |
109407217608 has 96 divisors (see below), whose sum is σ = 319219904640. Its totient is φ = 33651573120.
The previous prime is 109407217603. The next prime is 109407217651. The reversal of 109407217608 is 806712704901.
It is a happy number.
109407217608 is a `hidden beast` number, since 10 + 9 + 4 + 0 + 7 + 21 + 7 + 608 = 666.
It is not an unprimeable number, because it can be changed into a prime (109407217603) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2761185 + ... + 2800527.
It is an arithmetic number, because the mean of its divisors is an integer number (3325207340).
Almost surely, 2109407217608 is an apocalyptic number.
109407217608 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
109407217608 is an abundant number, since it is smaller than the sum of its proper divisors (209812687032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
109407217608 is a wasteful number, since it uses less digits than its factorization.
109407217608 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42339 (or 42332 counting only the distinct ones).
The product of its (nonzero) digits is 169344, while the sum is 45.
The spelling of 109407217608 in words is "one hundred nine billion, four hundred seven million, two hundred seventeen thousand, six hundred eight".
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