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211223310032 = 2471885922411
BaseRepresentation
bin1100010010110111100…
…0111110111011010000
3202012012111220220111202
43010231320332323100
511430041131410112
6241011252330332
721155211340340
oct3045570767320
9665174826452
10211223310032
1181641063139
1234b2a3139a8
1316bc25a2a27
14a31a8c0d20
1557639246c2
hex312de3eed0

211223310032 has 20 divisors (see below), whose sum is σ = 467708758176. Its totient is φ = 90524275680.

The previous prime is 211223310029. The next prime is 211223310049. The reversal of 211223310032 is 230013322112.

It is a junction number, because it is equal to n+sod(n) for n = 211223309986 and 211223310013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 942961094 + ... + 942961317.

Almost surely, 2211223310032 is an apocalyptic number.

It is an amenable number.

211223310032 is an abundant number, since it is smaller than the sum of its proper divisors (256485448144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211223310032 is a wasteful number, since it uses less digits than its factorization.

211223310032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885922426 (or 1885922420 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 211223310032 its reverse (230013322112), we get a palindrome (441236632144).

The spelling of 211223310032 in words is "two hundred eleven billion, two hundred twenty-three million, three hundred ten thousand, thirty-two".

Divisors: 1 2 4 7 8 14 16 28 56 112 1885922411 3771844822 7543689644 13201456877 15087379288 26402913754 30174758576 52805827508 105611655016 211223310032