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212431264118 = 21491663428657
BaseRepresentation
bin1100010111010111100…
…0111101100101110110
3202022022200220022222222
43011311320331211312
511440024400422433
6241331203122342
721230146644353
oct3056570754566
9668280808888
10212431264118
1182100a019a7
12352069733b2
1317055920768
14a3d30c162a
1557d49d1b98
hex3175e3d976

212431264118 has 16 divisors (see below), whose sum is σ = 320979110400. Its totient is φ = 105439088256.

The previous prime is 212431264117. The next prime is 212431264139. The reversal of 212431264118 is 811462134212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212431264117) 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 7 ways as a sum of consecutive naturals, for example, 281246 + ... + 709902.

It is an arithmetic number, because the mean of its divisors is an integer number (20061194400).

Almost surely, 2212431264118 is an apocalyptic number.

212431264118 is a deficient number, since it is larger than the sum of its proper divisors (108547846282).

212431264118 is a wasteful number, since it uses less digits than its factorization.

212431264118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430471.

The product of its digits is 18432, while the sum is 35.

The spelling of 212431264118 in words is "two hundred twelve billion, four hundred thirty-one million, two hundred sixty-four thousand, one hundred eighteen".

Divisors: 1 2 149 298 1663 3326 247787 428657 495574 857314 63869893 127739786 712856591 1425713182 106215632059 212431264118