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60121069 is a prime number
BaseRepresentation
bin1110010101010…
…1111111101101
311012010110121021
43211111333231
5110342333234
65544334141
71330010041
oct345257755
9135113537
1060121069
1130a33938
1218174351
13c5c00c8
147db0021
1554289b4
hex3955fed

60121069 has 2 divisors, whose sum is σ = 60121070. Its totient is φ = 60121068.

The previous prime is 60121063. The next prime is 60121091. The reversal of 60121069 is 96012106.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51652969 + 8468100 = 7187^2 + 2910^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-60121069 is a prime.

It is a super-2 number, since 2×601210692 = 7229085875405522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60121063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30060534 + 30060535.

It is an arithmetic number, because the mean of its divisors is an integer number (30060535).

Almost surely, 260121069 is an apocalyptic number.

It is an amenable number.

60121069 is a deficient number, since it is larger than the sum of its proper divisors (1).

60121069 is an equidigital number, since it uses as much as digits as its factorization.

60121069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 60121069 is about 7753.7777244386. Note that the first 4 decimals coincide. The cubic root of 60121069 is about 391.7499033797.

The spelling of 60121069 in words is "sixty million, one hundred twenty-one thousand, sixty-nine".