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201211311310 = 25473313129221
BaseRepresentation
bin1011101101100100100…
…0001111010011001110
3201020100202120200020021
42323121020033103032
511244040043430220
6232234000412354
720352126632602
oct2733110172316
9636322520207
10201211311310
11783735a3329
1232bb53170ba
1315c88274029
149a4ad17502
1553799964aa
hex2ed920f4ce

201211311310 has 32 divisors (see below), whose sum is σ = 370000835712. Its totient is φ = 78747701760.

The previous prime is 201211311281. The next prime is 201211311317. The reversal of 201211311310 is 13113112102.

It is a happy number.

It is a super-2 number, since 2×2012113113102 (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 (201211311317) 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, 1492500 + ... + 1621720.

It is an arithmetic number, because the mean of its divisors is an integer number (11562526116).

Almost surely, 2201211311310 is an apocalyptic number.

201211311310 is a deficient number, since it is larger than the sum of its proper divisors (168789524402).

201211311310 is a wasteful number, since it uses less digits than its factorization.

201211311310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132588.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 201211311310 its reverse (13113112102), we get a palindrome (214324423412).

The spelling of 201211311310 in words is "two hundred one billion, two hundred eleven million, three hundred eleven thousand, three hundred ten".

Divisors: 1 2 5 10 47 94 235 470 3313 6626 16565 33130 129221 155711 258442 311422 646105 778555 1292210 1557110 6073387 12146774 30366935 60733870 428109173 856218346 2140545865 4281091730 20121131131 40242262262 100605655655 201211311310