Base | Representation |
---|---|
bin | 111010101101000… |
… | …1111001000100110 |
3 | 12002021112211002020 |
4 | 1311122033020212 |
5 | 13013232441011 |
6 | 523243524010 |
7 | 66546061101 |
oct | 16532171046 |
9 | 5067484066 |
10 | 1969812006 |
11 | 9209a8a08 |
12 | 46b829606 |
13 | 255137946 |
14 | 14987b738 |
15 | b7ded006 |
hex | 7568f226 |
1969812006 has 32 divisors (see below), whose sum is σ = 3989399040. Its totient is φ = 648348576.
The previous prime is 1969811999. The next prime is 1969812011. The reversal of 1969812006 is 6002189691.
It is a congruent number.
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, 198675 + ... + 208353.
It is an arithmetic number, because the mean of its divisors is an integer number (124668720).
Almost surely, 21969812006 is an apocalyptic number.
1969812006 is an abundant number, since it is smaller than the sum of its proper divisors (2019587034).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1969812006 is a wasteful number, since it uses less digits than its factorization.
1969812006 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10108.
The product of its (nonzero) digits is 46656, while the sum is 42.
The square root of 1969812006 is about 44382.5642116361. The cubic root of 1969812006 is about 1253.5498041828.
The spelling of 1969812006 in words is "one billion, nine hundred sixty-nine million, eight hundred twelve thousand, six".
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