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70680127769 is a prime number
BaseRepresentation
bin100000111010011011…
…1010010100100011001
320202102211010111202222
41001310313102210121
52124223103042034
652245304233425
75051343113306
oct1016467224431
9222384114688
1070680127769
1127a800a9139
121184676b875
136885319814
1435c709a0ad
151c8a1aa12e
hex1074dd2919

70680127769 has 2 divisors, whose sum is σ = 70680127770. Its totient is φ = 70680127768.

The previous prime is 70680127723. The next prime is 70680127781. The reversal of 70680127769 is 96772108607.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46445422144 + 24234705625 = 215512^2 + 155675^2 .

It is a cyclic number.

It is not a de Polignac number, because 70680127769 - 28 = 70680127513 is a prime.

It is a super-2 number, since 2×706801277692 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70680127769.

It is not a weakly prime, because it can be changed into another prime (70680127369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35340063884 + 35340063885.

It is an arithmetic number, because the mean of its divisors is an integer number (35340063885).

Almost surely, 270680127769 is an apocalyptic number.

It is an amenable number.

70680127769 is a deficient number, since it is larger than the sum of its proper divisors (1).

70680127769 is an equidigital number, since it uses as much as digits as its factorization.

70680127769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1778112, while the sum is 53.

The spelling of 70680127769 in words is "seventy billion, six hundred eighty million, one hundred twenty-seven thousand, seven hundred sixty-nine".