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60253001681 is a prime number
BaseRepresentation
bin111000000111010110…
…111101011111010001
312202112010122121210212
4320013112331133101
51441344232023211
643402502533505
74232061030635
oct700726753721
9182463577725
1060253001681
112360a280a64
12b816737295
1358b2cb0c22
142cb8310dc5
151879a7b38b
hexe075bd7d1

60253001681 has 2 divisors, whose sum is σ = 60253001682. Its totient is φ = 60253001680.

The previous prime is 60253001663. The next prime is 60253001693. The reversal of 60253001681 is 18610035206.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54072526225 + 6180475456 = 232535^2 + 78616^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-60253001681 is a prime.

It is a super-2 number, since 2×602530016812 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (60253001881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30126500840 + 30126500841.

It is an arithmetic number, because the mean of its divisors is an integer number (30126500841).

Almost surely, 260253001681 is an apocalyptic number.

It is an amenable number.

60253001681 is a deficient number, since it is larger than the sum of its proper divisors (1).

60253001681 is an equidigital number, since it uses as much as digits as its factorization.

60253001681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

Adding to 60253001681 its reverse (18610035206), we get a palindrome (78863036887).

The spelling of 60253001681 in words is "sixty billion, two hundred fifty-three million, one thousand, six hundred eighty-one".