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20752842828931 is a prime number
BaseRepresentation
bin1001011011111111001011…
…10100110010110010000011
32201110221201022001202011221
410231333211310302302003
510210003310231011211
6112045420244415511
74241225535336103
oct455774564626203
981427638052157
1020752842828931
11668125a82a184
1223b20590a7597
13b76ca5464c95
1451a62b665203
1525ec6817cc71
hex12dfe5d32c83

20752842828931 has 2 divisors, whose sum is σ = 20752842828932. Its totient is φ = 20752842828930.

The previous prime is 20752842828901. The next prime is 20752842828979. The reversal of 20752842828931 is 13982824825702.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20752842828931 - 25 = 20752842828899 is a prime.

It is a super-2 number, since 2×207528428289312 (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20752842828931.

It is not a weakly prime, because it can be changed into another prime (20752842828901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10376421414465 + 10376421414466.

It is an arithmetic number, because the mean of its divisors is an integer number (10376421414466).

Almost surely, 220752842828931 is an apocalyptic number.

20752842828931 is a deficient number, since it is larger than the sum of its proper divisors (1).

20752842828931 is an equidigital number, since it uses as much as digits as its factorization.

20752842828931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30965760, while the sum is 61.

The spelling of 20752842828931 in words is "twenty trillion, seven hundred fifty-two billion, eight hundred forty-two million, eight hundred twenty-eight thousand, nine hundred thirty-one".