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20441524243 = 719333146141
BaseRepresentation
bin10011000010011010…
…001110100000010011
31221202121100000122111
4103002122032200103
5313331012233433
613220220450151
71322363042410
oct230232164023
957677300574
1020441524243
11873a786798
123b659a9957
131c09cc779a
14dbcbb9107
157e98d2dcd
hex4c268e813

20441524243 has 16 divisors (see below), whose sum is σ = 24599223040. Its totient is φ = 16593789600.

The previous prime is 20441524231. The next prime is 20441524249. The reversal of 20441524243 is 34242514402.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20441524243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20441524249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 419953 + ... + 466093.

It is an arithmetic number, because the mean of its divisors is an integer number (1537451440).

Almost surely, 220441524243 is an apocalyptic number.

20441524243 is a deficient number, since it is larger than the sum of its proper divisors (4157698797).

20441524243 is a wasteful number, since it uses less digits than its factorization.

20441524243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49498.

The product of its (nonzero) digits is 30720, while the sum is 31.

The spelling of 20441524243 in words is "twenty billion, four hundred forty-one million, five hundred twenty-four thousand, two hundred forty-three".

Divisors: 1 7 19 133 3331 23317 46141 63289 322987 443023 876679 6136753 153695671 1075869697 2920217749 20441524243