Base | Representation |
---|---|
bin | 1100010111010111100… |
… | …0111101100111111000 |
3 | 202022022200220100011210 |
4 | 3011311320331213320 |
5 | 11440024400423443 |
6 | 241331203123120 |
7 | 21230146644630 |
oct | 3056570754770 |
9 | 668280810153 |
10 | 212431264248 |
11 | 82100a02005 |
12 | 352069734a0 |
13 | 17055920838 |
14 | a3d30c16c0 |
15 | 57d49d1c33 |
hex | 3175e3d9f8 |
212431264248 has 64 divisors (see below), whose sum is σ = 609465035520. Its totient is φ = 60442790400.
The previous prime is 212431264247. The next prime is 212431264271. The reversal of 212431264248 is 842462134212.
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212431264247) by changing a digit.
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, 2582898 + ... + 2663873.
It is an arithmetic number, because the mean of its divisors is an integer number (9522891180).
Almost surely, 2212431264248 is an apocalyptic number.
212431264248 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
212431264248 is an abundant number, since it is smaller than the sum of its proper divisors (397033771272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212431264248 is a wasteful number, since it uses less digits than its factorization.
212431264248 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5247028 (or 5247024 counting only the distinct ones).
The product of its digits is 147456, while the sum is 39.
The spelling of 212431264248 in words is "two hundred twelve billion, four hundred thirty-one million, two hundred sixty-four thousand, two hundred forty-eight".
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