Base | Representation |
---|---|
bin | 110111111011100111… |
… | …1010011101100101111 |
3 | 102111000211002222210110 |
4 | 1233313033103230233 |
5 | 3431442144232231 |
6 | 131102335111103 |
7 | 11451330010644 |
oct | 1576717235457 |
9 | 374024088713 |
10 | 120112102191 |
11 | 46a37172164 |
12 | 1b341372493 |
13 | b4324a7523 |
14 | 5b561a7dcb |
15 | 31cec4b046 |
hex | 1bf73d3b2f |
120112102191 has 16 divisors (see below), whose sum is σ = 168801142400. Its totient is φ = 75760036128.
The previous prime is 120112102189. The next prime is 120112102211. The reversal of 120112102191 is 191201211021.
It is not a de Polignac number, because 120112102191 - 21 = 120112102189 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120112102091) 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, 1348681 + ... + 1434978.
It is an arithmetic number, because the mean of its divisors is an integer number (10550071400).
Almost surely, 2120112102191 is an apocalyptic number.
120112102191 is a deficient number, since it is larger than the sum of its proper divisors (48689040209).
120112102191 is a wasteful number, since it uses less digits than its factorization.
120112102191 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2784438.
The product of its (nonzero) digits is 72, while the sum is 21.
The spelling of 120112102191 in words is "one hundred twenty billion, one hundred twelve million, one hundred two thousand, one hundred ninety-one".
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