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2075172061 is a prime number
BaseRepresentation
bin111101110110000…
…1001110011011101
312100121210122220111
41323230021303131
513222221001221
6541530050021
7102265446214
oct17354116335
95317718814
102075172061
11975420536
1249ab79911
13270c07081
1415986607b
15c22b0be1
hex7bb09cdd

2075172061 has 2 divisors, whose sum is σ = 2075172062. Its totient is φ = 2075172060.

The previous prime is 2075172041. The next prime is 2075172089. The reversal of 2075172061 is 1602715702.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2025540036 + 49632025 = 45006^2 + 7045^2 .

It is a cyclic number.

It is not a de Polignac number, because 2075172061 - 27 = 2075171933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2075172041) 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, 1037586030 + 1037586031.

It is an arithmetic number, because the mean of its divisors is an integer number (1037586031).

Almost surely, 22075172061 is an apocalyptic number.

It is an amenable number.

2075172061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2075172061 is an equidigital number, since it uses as much as digits as its factorization.

2075172061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 2075172061 is about 45554.0564714055. The cubic root of 2075172061 is about 1275.5124554925.

Adding to 2075172061 its reverse (1602715702), we get a palindrome (3677887763).

The spelling of 2075172061 in words is "two billion, seventy-five million, one hundred seventy-two thousand, sixty-one".