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20144412211 = 711261615743
BaseRepresentation
bin10010110000101100…
…110101011000110011
31220222220021011120011
4102300230311120303
5312223432142321
613130524355351
71312124451520
oct226054653063
956886234504
1020144412211
1185a7aa5060
123aa23a5b57
131b9059b351
14d91558147
157cd794ae1
hex4b0b35633

20144412211 has 8 divisors (see below), whose sum is σ = 25115111424. Its totient is φ = 15696944520.

The previous prime is 20144412203. The next prime is 20144412217. The reversal of 20144412211 is 11221444102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20144412211 - 23 = 20144412203 is a prime.

It is a super-3 number, since 3×201444122113 (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20144412217) 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, 130807795 + ... + 130807948.

It is an arithmetic number, because the mean of its divisors is an integer number (3139388928).

Almost surely, 220144412211 is an apocalyptic number.

20144412211 is a deficient number, since it is larger than the sum of its proper divisors (4970699213).

20144412211 is a wasteful number, since it uses less digits than its factorization.

20144412211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261615761.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 20144412211 its reverse (11221444102), we get a palindrome (31365856313).

The spelling of 20144412211 in words is "twenty billion, one hundred forty-four million, four hundred twelve thousand, two hundred eleven".

Divisors: 1 7 11 77 261615743 1831310201 2877773173 20144412211