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34780741757 is a prime number
BaseRepresentation
bin100000011001000110…
…000000000001111101
310022202221002202011122
4200121012000001331
51032212332214012
623551132000325
72340620266316
oct403106000175
9108687082148
1034780741757
1113828905083
1268a80000a5
133383985a88
14197d35360d
15d886bee72
hex81918007d

34780741757 has 2 divisors, whose sum is σ = 34780741758. Its totient is φ = 34780741756.

The previous prime is 34780741607. The next prime is 34780741769. The reversal of 34780741757 is 75714708743.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19898205721 + 14882536036 = 141061^2 + 121994^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-34780741757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34780741699 and 34780741708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34780746757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17390370878 + 17390370879.

It is an arithmetic number, because the mean of its divisors is an integer number (17390370879).

Almost surely, 234780741757 is an apocalyptic number.

It is an amenable number.

34780741757 is a deficient number, since it is larger than the sum of its proper divisors (1).

34780741757 is an equidigital number, since it uses as much as digits as its factorization.

34780741757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4609920, while the sum is 53.

The spelling of 34780741757 in words is "thirty-four billion, seven hundred eighty million, seven hundred forty-one thousand, seven hundred fifty-seven".