Base | Representation |
---|---|
bin | 110111111001110011… |
… | …1000001011101111101 |
3 | 102110212120112100120011 |
4 | 1233303213001131331 |
5 | 3431331102210414 |
6 | 131052322023221 |
7 | 11446660310005 |
oct | 1576347013575 |
9 | 373776470504 |
10 | 120051210109 |
11 | 46a05862026 |
12 | 1b324aa7b11 |
13 | b4229a74cc |
14 | 5b4c077005 |
15 | 31c971ddc4 |
hex | 1bf39c177d |
120051210109 has 16 divisors (see below), whose sum is σ = 122404817920. Its totient is φ = 117721272240.
The previous prime is 120051210047. The next prime is 120051210119. The reversal of 120051210109 is 901012150021.
It is a cyclic number.
It is not a de Polignac number, because 120051210109 - 27 = 120051209981 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 120051210109.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120051210119) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6854854 + ... + 6872344.
It is an arithmetic number, because the mean of its divisors is an integer number (7650301120).
Almost surely, 2120051210109 is an apocalyptic number.
It is an amenable number.
120051210109 is a deficient number, since it is larger than the sum of its proper divisors (2353607811).
120051210109 is a wasteful number, since it uses less digits than its factorization.
120051210109 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18160.
The product of its (nonzero) digits is 180, while the sum is 22.
The spelling of 120051210109 in words is "one hundred twenty billion, fifty-one million, two hundred ten thousand, one hundred nine".
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