Base | Representation |
---|---|
bin | 1100010110111010101… |
… | …0011111111100011010 |
3 | 202022000020210010000020 |
4 | 3011232222133330122 |
5 | 11434302332012104 |
6 | 241311152451310 |
7 | 21224145332403 |
oct | 3055652377432 |
9 | 668006703006 |
10 | 212310032154 |
11 | 820495295a0 |
12 | 35192249b36 |
13 | 17036784b7c |
14 | a3c0d649aa |
15 | 57c90362d9 |
hex | 316ea9ff1a |
212310032154 has 32 divisors (see below), whose sum is σ = 463275777024. Its totient is φ = 64328888880.
The previous prime is 212310032111. The next prime is 212310032171. The reversal of 212310032154 is 451230013212.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398287 + ... + 763709.
It is an arithmetic number, because the mean of its divisors is an integer number (14477368032).
Almost surely, 2212310032154 is an apocalyptic number.
212310032154 is an abundant number, since it is smaller than the sum of its proper divisors (250965744870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212310032154 is a wasteful number, since it uses less digits than its factorization.
212310032154 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 374242.
The product of its (nonzero) digits is 1440, while the sum is 24.
Adding to 212310032154 its reverse (451230013212), we get a palindrome (663540045366).
The spelling of 212310032154 in words is "two hundred twelve billion, three hundred ten million, thirty-two thousand, one hundred fifty-four".
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