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2028011074657 is a prime number
BaseRepresentation
bin11101100000101110111…
…000010011010001100001
321011212122120121212200121
4131200232320103101201
5231211331313342112
64151353323320241
7266343001465531
oct35405670232141
97155576555617
102028011074657
11712090421867
12289060980081
1311931885bb69
1470228ac34c1
1537b471d0407
hex1d82ee13461

2028011074657 has 2 divisors, whose sum is σ = 2028011074658. Its totient is φ = 2028011074656.

The previous prime is 2028011074613. The next prime is 2028011074681. The reversal of 2028011074657 is 7564701108202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1257125318656 + 770885756001 = 1121216^2 + 878001^2 .

It is a cyclic number.

It is not a de Polignac number, because 2028011074657 - 231 = 2025863591009 is a prime.

It is a super-2 number, since 2×20280110746572 (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2028011072657) 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, 1014005537328 + 1014005537329.

It is an arithmetic number, because the mean of its divisors is an integer number (1014005537329).

Almost surely, 22028011074657 is an apocalyptic number.

It is an amenable number.

2028011074657 is a deficient number, since it is larger than the sum of its proper divisors (1).

2028011074657 is an equidigital number, since it uses as much as digits as its factorization.

2028011074657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 188160, while the sum is 43.

The spelling of 2028011074657 in words is "two trillion, twenty-eight billion, eleven million, seventy-four thousand, six hundred fifty-seven".