Base | Representation |
---|---|
bin | 1100010110111111101… |
… | …0100110011011111110 |
3 | 202022001201021221000020 |
4 | 3011233322212123332 |
5 | 11434323220432040 |
6 | 241313222513010 |
7 | 21224521656402 |
oct | 3055772463376 |
9 | 668051257006 |
10 | 212331030270 |
11 | 8205a370807 |
12 | 35199295766 |
13 | 1703ac276a8 |
14 | a3c3a6d102 |
15 | 57cacd2cd0 |
hex | 316fea66fe |
212331030270 has 32 divisors (see below), whose sum is σ = 509608837152. Its totient is φ = 56620012032.
The previous prime is 212331030211. The next prime is 212331030271. The reversal of 212331030270 is 72030133212.
It is a self number, because there is not a number n which added to its sum of digits gives 212331030270.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212331030271) 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, 1307914 + ... + 1461266.
It is an arithmetic number, because the mean of its divisors is an integer number (15925276161).
Almost surely, 2212331030270 is an apocalyptic number.
212331030270 is an abundant number, since it is smaller than the sum of its proper divisors (297277806882).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212331030270 is a wasteful number, since it uses less digits than its factorization.
212331030270 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 199516.
The product of its (nonzero) digits is 1512, while the sum is 24.
Adding to 212331030270 its reverse (72030133212), we get a palindrome (284361163482).
The spelling of 212331030270 in words is "two hundred twelve billion, three hundred thirty-one million, thirty thousand, two hundred seventy".
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