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20310122560597 is a prime number
BaseRepresentation
bin1001001111000110100011…
…01000111111110001010101
32122220121222100202220001121
410213203101220333301111
510130230112333414342
6111110201432523541
74164233525213602
oct447432150776125
978817870686047
1020310122560597
1165205247799a1
1223402a2b505b1
13b4430c31236c
1450302d9076a9
152534a6062067
hex1278d1a3fc55

20310122560597 has 2 divisors, whose sum is σ = 20310122560598. Its totient is φ = 20310122560596.

The previous prime is 20310122560589. The next prime is 20310122560661. The reversal of 20310122560597 is 79506522101302.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20291412150801 + 18710409796 = 4504599^2 + 136786^2 .

It is a cyclic number.

It is not a de Polignac number, because 20310122560597 - 23 = 20310122560589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20310122560397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10155061280298 + 10155061280299.

It is an arithmetic number, because the mean of its divisors is an integer number (10155061280299).

Almost surely, 220310122560597 is an apocalyptic number.

It is an amenable number.

20310122560597 is a deficient number, since it is larger than the sum of its proper divisors (1).

20310122560597 is an equidigital number, since it uses as much as digits as its factorization.

20310122560597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 226800, while the sum is 43.

Adding to 20310122560597 its reverse (79506522101302), we get a palindrome (99816644661899).

The spelling of 20310122560597 in words is "twenty trillion, three hundred ten billion, one hundred twenty-two million, five hundred sixty thousand, five hundred ninety-seven".