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29745287357 is a prime number
BaseRepresentation
bin11011101100111101…
…010001000010111101
32211210000000011022112
4123230331101002331
5441404243143412
621355332423405
72102054525252
oct335475210275
984700004275
1029745287357
1111684491715
125921777b65
132a60692666
1416226a3429
15b915b3722
hex6ecf510bd

29745287357 has 2 divisors, whose sum is σ = 29745287358. Its totient is φ = 29745287356.

The previous prime is 29745287309. The next prime is 29745287401. The reversal of 29745287357 is 75378254792.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28985403001 + 759884356 = 170251^2 + 27566^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29745287357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29745287296 and 29745287305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29745287057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14872643678 + 14872643679.

It is an arithmetic number, because the mean of its divisors is an integer number (14872643679).

Almost surely, 229745287357 is an apocalyptic number.

It is an amenable number.

29745287357 is a deficient number, since it is larger than the sum of its proper divisors (1).

29745287357 is an equidigital number, since it uses as much as digits as its factorization.

29745287357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29635200, while the sum is 59.

The spelling of 29745287357 in words is "twenty-nine billion, seven hundred forty-five million, two hundred eighty-seven thousand, three hundred fifty-seven".