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211201211201203 = 31353379465110949
BaseRepresentation
bin110000000001011000011101…
…001010110111011010110011
31000200210122020112122211002001
4300001120131022313122303
5210140310040031414303
62025104255203234431
762325532620505036
oct6001303512673263
91020718215584061
10211201211201203
1161327a2679a893
121b830262378a17
1390b025b918ab2
143a2229c08501d
151963c651bc31d
hexc0161d2b76b3

211201211201203 has 32 divisors (see below), whose sum is σ = 219275778816000. Its totient is φ = 203209243776000.

The previous prime is 211201211201177. The next prime is 211201211201231. The reversal of 211201211201203 is 302102112102112.

It is a de Polignac number, because none of the positive numbers 2k-211201211201203 is a prime.

It is a super-2 number, since 2×2112012112012032 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211201214201203) 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 31 ways as a sum of consecutive naturals, for example, 19289537973 + ... + 19289548921.

It is an arithmetic number, because the mean of its divisors is an integer number (6852368088000).

Almost surely, 2211201211201203 is an apocalyptic number.

211201211201203 is a deficient number, since it is larger than the sum of its proper divisors (8074567614797).

211201211201203 is a wasteful number, since it uses less digits than its factorization.

211201211201203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16363.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 211201211201203 its reverse (302102112102112), we get a palindrome (513303323303315).

Subtracting 211201211201203 from its reverse (302102112102112), we obtain a palindrome (90900900900909).

The spelling of 211201211201203 in words is "two hundred eleven trillion, two hundred one billion, two hundred eleven million, two hundred one thousand, two hundred three".

Divisors: 1 31 353 379 4651 10943 10949 11749 133787 144181 339419 1641803 1762729 3864997 4147397 4149671 50895893 50923799 54644599 119814907 128639801 622243337 1464833863 1578637769 17976101047 19289543447 19300119821 45409849753 557259132457 598303714451 6812942296813 211201211201203