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20560103401 is a prime number
BaseRepresentation
bin10011001001011110…
…100100011111101001
31222001212110110200011
4103021132210133221
5314101341302101
613240054211521
71325332665265
oct231136443751
958055413604
1020560103401
1187a0707aa2
123b99653ba1
131c28744a76
14dd08450a5
15805007751
hex4c97a47e9

20560103401 has 2 divisors, whose sum is σ = 20560103402. Its totient is φ = 20560103400.

The previous prime is 20560103341. The next prime is 20560103477. The reversal of 20560103401 is 10430106502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11262515625 + 9297587776 = 106125^2 + 96424^2 .

It is a cyclic number.

It is not a de Polignac number, because 20560103401 - 27 = 20560103273 is a prime.

It is not a weakly prime, because it can be changed into another prime (20560103491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10280051700 + 10280051701.

It is an arithmetic number, because the mean of its divisors is an integer number (10280051701).

Almost surely, 220560103401 is an apocalyptic number.

It is an amenable number.

20560103401 is a deficient number, since it is larger than the sum of its proper divisors (1).

20560103401 is an equidigital number, since it uses as much as digits as its factorization.

20560103401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 20560103401 its reverse (10430106502), we get a palindrome (30990209903).

The spelling of 20560103401 in words is "twenty billion, five hundred sixty million, one hundred three thousand, four hundred one".