Base | Representation |
---|---|
bin | 110010110011101001… |
… | …0101101111100010100 |
3 | 101102121212100010000211 |
4 | 1211213102231330110 |
5 | 3241422412024140 |
6 | 122042332415204 |
7 | 10611530260063 |
oct | 1454722557424 |
9 | 342555303024 |
10 | 109107142420 |
11 | 422aa156a91 |
12 | 1918b917504 |
13 | a39a534503 |
14 | 53d07a61da |
15 | 2c88a2c2ea |
hex | 19674adf14 |
109107142420 has 24 divisors (see below), whose sum is σ = 241184210400. Its totient is φ = 41345864352.
The previous prime is 109107142393. The next prime is 109107142447. The reversal of 109107142420 is 24241701901.
It is an interprime number because it is at equal distance from previous prime (109107142393) and next prime (109107142447).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143561650 + ... + 143562409.
It is an arithmetic number, because the mean of its divisors is an integer number (10049342100).
Almost surely, 2109107142420 is an apocalyptic number.
109107142420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
109107142420 is an abundant number, since it is smaller than the sum of its proper divisors (132077067980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
109107142420 is a wasteful number, since it uses less digits than its factorization.
109107142420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 287124087 (or 287124085 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 31.
The spelling of 109107142420 in words is "one hundred nine billion, one hundred seven million, one hundred forty-two thousand, four hundred twenty".
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