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20560137241 = 74933595411
BaseRepresentation
bin10011001001011110…
…101100110000011001
31222001212112012002111
4103021132230300121
5314101343342431
613240055032321
71325333166040
oct231136546031
958055465074
1020560137241
1187a0730466
123b9966b6a1
131c287572a7
14dd0853557
158050127b1
hex4c97acc19

20560137241 has 8 divisors (see below), whose sum is σ = 23502102464. Its totient is φ = 17619372720.

The previous prime is 20560137197. The next prime is 20560137259. The reversal of 20560137241 is 14273106502.

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 20560137241 - 27 = 20560137113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20560137271) 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, 263175 + ... + 332236.

It is an arithmetic number, because the mean of its divisors is an integer number (2937762808).

Almost surely, 220560137241 is an apocalyptic number.

It is an amenable number.

20560137241 is a deficient number, since it is larger than the sum of its proper divisors (2941965223).

20560137241 is an equidigital number, since it uses as much as digits as its factorization.

20560137241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600351.

The product of its (nonzero) digits is 10080, while the sum is 31.

The spelling of 20560137241 in words is "twenty billion, five hundred sixty million, one hundred thirty-seven thousand, two hundred forty-one".

Divisors: 1 7 4933 34531 595411 4167877 2937162463 20560137241