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213242322430 = 254710342110463
BaseRepresentation
bin1100011010011000111…
…0111001110111111110
3202101102020001100211201
43012212032321313332
511443210013304210
6241543455010114
721256225556014
oct3064616716776
9671366040751
10213242322430
1182487806025
12353b250993a
1317154975b17
14a46cac88b4
155830ce053a
hex31a63b9dfe

213242322430 has 64 divisors (see below), whose sum is σ = 396786843648. Its totient is φ = 82467342720.

The previous prime is 213242322367. The next prime is 213242322437. The reversal of 213242322430 is 34223242312.

It is a super-2 number, since 2×2132423224302 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213242322437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20375379 + ... + 20385841.

It is an arithmetic number, because the mean of its divisors is an integer number (6199794432).

Almost surely, 2213242322430 is an apocalyptic number.

213242322430 is a deficient number, since it is larger than the sum of its proper divisors (183544521218).

213242322430 is a wasteful number, since it uses less digits than its factorization.

213242322430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11041.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 213242322430 its reverse (34223242312), we get a palindrome (247465564742).

The spelling of 213242322430 in words is "two hundred thirteen billion, two hundred forty-two million, three hundred twenty-two thousand, four hundred thirty".

Divisors: 1 2 5 10 47 94 103 206 235 421 470 515 842 1030 2105 4210 4841 9682 10463 19787 20926 24205 39574 43363 48410 52315 86726 98935 104630 197870 216815 433630 491761 983522 1077689 2038061 2155378 2458805 4076122 4404923 4917610 5388445 8809846 10190305 10776890 20380610 22024615 44049230 50651383 101302766 207031381 253256915 414062762 453707069 506513830 907414138 1035156905 2070313810 2268535345 4537070690 21324232243 42648464486 106621161215 213242322430