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28260971053 = 76618577127
BaseRepresentation
bin11010010100011111…
…000011001000101101
32200221120000002010121
4122110133003020231
5430334302033203
620552150404541
72020222201420
oct322437031055
980846002117
1028260971053
1110a92643927
125588660751
132885001ca3
1415214c39b7
15b061160bd
hex6947c322d

28260971053 has 16 divisors (see below), whose sum is σ = 32389403904. Its totient is φ = 24155429760.

The previous prime is 28260971029. The next prime is 28260971077. The reversal of 28260971053 is 35017906282.

It is an interprime number because it is at equal distance from previous prime (28260971029) and next prime (28260971077).

It is not a de Polignac number, because 28260971053 - 213 = 28260962861 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 (28260971653) 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 15 ways as a sum of consecutive naturals, for example, 3961776 + ... + 3968902.

It is an arithmetic number, because the mean of its divisors is an integer number (2024337744).

Almost surely, 228260971053 is an apocalyptic number.

It is an amenable number.

28260971053 is a deficient number, since it is larger than the sum of its proper divisors (4128432851).

28260971053 is an equidigital number, since it uses as much as digits as its factorization.

28260971053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8652.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 28260971053 in words is "twenty-eight billion, two hundred sixty million, nine hundred seventy-one thousand, fifty-three".

Divisors: 1 7 661 857 4627 5999 7127 49889 566477 3965339 4710947 6107839 32976629 42754873 4037281579 28260971053