Base | Representation |
---|---|
bin | 10110100010011110… |
… | …00001001111101011 |
3 | 1011020021212102210110 |
4 | 23101033001033223 |
5 | 144240134404440 |
6 | 5320411345403 |
7 | 605566636464 |
oct | 132117011753 |
9 | 34207772713 |
10 | 12100309995 |
11 | 514a344aa4 |
12 | 2418452263 |
13 | 11aab86457 |
14 | 82b08dd6b |
15 | 4ac487080 |
hex | 2d13c13eb |
12100309995 has 16 divisors (see below), whose sum is σ = 19376278560. Its totient is φ = 6448237824.
The previous prime is 12100309987. The next prime is 12100310029. The reversal of 12100309995 is 59990300121.
It is not a de Polignac number, because 12100309995 - 23 = 12100309987 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309754 + ... + 346623.
It is an arithmetic number, because the mean of its divisors is an integer number (1211017410).
Almost surely, 212100309995 is an apocalyptic number.
12100309995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
12100309995 is a deficient number, since it is larger than the sum of its proper divisors (7275968565).
12100309995 is a wasteful number, since it uses less digits than its factorization.
12100309995 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 657614.
The product of its (nonzero) digits is 21870, while the sum is 39.
The spelling of 12100309995 in words is "twelve billion, one hundred million, three hundred nine thousand, nine hundred ninety-five".
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