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11212020200219 = 37843929627021
BaseRepresentation
bin1010001100101000000001…
…1110110011001100011011
31110200212011222001210122112
42203022000132303030123
52432144204132401334
635502421520142535
72235020212145666
oct243120036631433
943625158053575
1011212020200219
113632a9a119483
121310b6aa67a4b
1363439ab2b327
142aa943c126dd
151469b503e4ce
hexa32807b331b

11212020200219 has 4 divisors (see below), whose sum is σ = 11212050205680. Its totient is φ = 11211990194760.

The previous prime is 11212020200201. The next prime is 11212020200233. The reversal of 11212020200219 is 91200202021211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11212020200219 is a prime.

It is a super-2 number, since 2×112120202002192 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11212020200194 and 11212020200203.

It is not an unprimeable number, because it can be changed into a prime (11212020200419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14435072 + ... + 15191949.

It is an arithmetic number, because the mean of its divisors is an integer number (2803012551420).

Almost surely, 211212020200219 is an apocalyptic number.

11212020200219 is a deficient number, since it is larger than the sum of its proper divisors (30005461).

11212020200219 is an equidigital number, since it uses as much as digits as its factorization.

11212020200219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30005460.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 11212020200219 in words is "eleven trillion, two hundred twelve billion, twenty million, two hundred thousand, two hundred nineteen".

Divisors: 1 378439 29627021 11212020200219