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20003506776157 is a prime number
BaseRepresentation
bin1001000110001011011011…
…11010100110100001011101
32121211022112210002012012011
410203011231322212201131
510110214140213314112
6110313252324311221
74133130355103032
oct443055572464135
977738483065164
1020003506776157
1164124920a2953
1222b0991b42511
13b21426983708
144d2263ca1389
1524a50cb80aa7
hex12316dea685d

20003506776157 has 2 divisors, whose sum is σ = 20003506776158. Its totient is φ = 20003506776156.

The previous prime is 20003506776151. The next prime is 20003506776289. The reversal of 20003506776157 is 75167760530002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10128395360196 + 9875111415961 = 3182514^2 + 3142469^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20003506776157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20003506776157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20003506776151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001753388078 + 10001753388079.

It is an arithmetic number, because the mean of its divisors is an integer number (10001753388079).

Almost surely, 220003506776157 is an apocalyptic number.

It is an amenable number.

20003506776157 is a deficient number, since it is larger than the sum of its proper divisors (1).

20003506776157 is an equidigital number, since it uses as much as digits as its factorization.

20003506776157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1852200, while the sum is 49.

The spelling of 20003506776157 in words is "twenty trillion, three billion, five hundred six million, seven hundred seventy-six thousand, one hundred fifty-seven".