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29718335149 is a prime number
BaseRepresentation
bin11011101011010110…
…011100111010101101
32211201010021211211121
4123223112130322231
5441330343211044
621352531020541
72101306452346
oct335326347255
984633254747
1029718335149
1111670253068
12591473a751
132a57c169c9
14161cc890cd
15b8e03c984
hex6eb59cead

29718335149 has 2 divisors, whose sum is σ = 29718335150. Its totient is φ = 29718335148.

The previous prime is 29718335131. The next prime is 29718335159. The reversal of 29718335149 is 94153381792.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25442483049 + 4275852100 = 159507^2 + 65390^2 .

It is a cyclic number.

It is not a de Polignac number, because 29718335149 - 25 = 29718335117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29718335096 and 29718335105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29718335159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14859167574 + 14859167575.

It is an arithmetic number, because the mean of its divisors is an integer number (14859167575).

Almost surely, 229718335149 is an apocalyptic number.

It is an amenable number.

29718335149 is a deficient number, since it is larger than the sum of its proper divisors (1).

29718335149 is an equidigital number, since it uses as much as digits as its factorization.

29718335149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 52.

The spelling of 29718335149 in words is "twenty-nine billion, seven hundred eighteen million, three hundred thirty-five thousand, one hundred forty-nine".