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211001202012 = 223101174093401
BaseRepresentation
bin1100010010000010100…
…1101101010101011100
3202011122000222122120210
43010200221231111130
511424112301431022
6240533240012420
721146543424156
oct3044051552534
9664560878523
10211001202012
1181537750097
1234a87a61110
1316b88577973
14a2d91c5ad6
15574e19ea0c
hex3120a6d55c

211001202012 has 24 divisors (see below), whose sum is σ = 497210756112. Its totient is φ = 69637360000.

The previous prime is 211001202011. The next prime is 211001202163. The reversal of 211001202012 is 210202100112.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211001202011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87045489 + ... + 87047912.

It is an arithmetic number, because the mean of its divisors is an integer number (20717114838).

Almost surely, 2211001202012 is an apocalyptic number.

It is an amenable number.

211001202012 is an abundant number, since it is smaller than the sum of its proper divisors (286209554100).

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

211001202012 is a wasteful number, since it uses less digits than its factorization.

211001202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174093509 (or 174093507 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 211001202012 its reverse (210202100112), we get a palindrome (421203302124).

The spelling of 211001202012 in words is "two hundred eleven billion, one million, two hundred two thousand, twelve".

Divisors: 1 2 3 4 6 12 101 202 303 404 606 1212 174093401 348186802 522280203 696373604 1044560406 2089120812 17583433501 35166867002 52750300503 70333734004 105500601006 211001202012