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11201210012020 = 225780008642943
BaseRepresentation
bin1010001011111111110000…
…1001001101000101110100
31110122211021120210100020211
42202333330021031011310
52432010034230341040
635453433112235204
72234155266105220
oct242777411150564
943584246710224
1011201210012020
113629452045046
12130aa5269bb04
13633367331872
142aa1da231780
15146580e958ea
hexa2ffc24d174

11201210012020 has 24 divisors (see below), whose sum is σ = 26882904029184. Its totient is φ = 3840414861216.

The previous prime is 11201210011963. The next prime is 11201210012023. The reversal of 11201210012020 is 2021001210211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201210012023) 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 7 ways as a sum of consecutive naturals, for example, 40004321332 + ... + 40004321611.

It is an arithmetic number, because the mean of its divisors is an integer number (1120121001216).

Almost surely, 211201210012020 is an apocalyptic number.

11201210012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11201210012020 is an abundant number, since it is smaller than the sum of its proper divisors (15681694017164).

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

11201210012020 is a wasteful number, since it uses less digits than its factorization.

11201210012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80008642959 (or 80008642957 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11201210012020 its reverse (2021001210211), we get a palindrome (13222211222231).

The spelling of 11201210012020 in words is "eleven trillion, two hundred one billion, two hundred ten million, twelve thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 80008642943 160017285886 320034571772 400043214715 560060500601 800086429430 1120121001202 1600172858860 2240242002404 2800302503005 5600605006010 11201210012020