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28352514572053 = 74050359224579
BaseRepresentation
bin1100111001001010101011…
…00011110011111100010101
310201101110210111012121021021
412130211111203303330111
512204011422212301203
6140144544304521141
75654254512326230
oct634452543637425
9121343714177237
1028352514572053
119041263366841
12321aaa79201b1
1312a8827708569
147003aa2d4417
153427a99a85bd
hex19c9558f3f15

28352514572053 has 4 divisors (see below), whose sum is σ = 32402873796640. Its totient is φ = 24302155347468.

The previous prime is 28352514572009. The next prime is 28352514572077. The reversal of 28352514572053 is 35027541525382.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28352514572053 - 29 = 28352514571541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28352514572003) 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, 2025179612283 + ... + 2025179612296.

It is an arithmetic number, because the mean of its divisors is an integer number (8100718449160).

Almost surely, 228352514572053 is an apocalyptic number.

It is an amenable number.

28352514572053 is a deficient number, since it is larger than the sum of its proper divisors (4050359224587).

28352514572053 is an equidigital number, since it uses as much as digits as its factorization.

28352514572053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4050359224586.

The product of its (nonzero) digits is 10080000, while the sum is 52.

The spelling of 28352514572053 in words is "twenty-eight trillion, three hundred fifty-two billion, five hundred fourteen million, five hundred seventy-two thousand, fifty-three".

Divisors: 1 7 4050359224579 28352514572053