Search a number
-
+
29971286011 is a prime number
BaseRepresentation
bin11011111010011011…
…011000011111111011
32212100202021002012001
4123322123120133323
5442340122123021
621434004401431
72110500504412
oct337233303773
985322232161
1029971286011
1111790011867
1259853a6277
132a98450584
1416446d2479
15ba6356091
hex6fa6d87fb

29971286011 has 2 divisors, whose sum is σ = 29971286012. Its totient is φ = 29971286010.

The previous prime is 29971286003. The next prime is 29971286077. The reversal of 29971286011 is 11068217992.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29971286011 - 23 = 29971286003 is a prime.

It is not a weakly prime, because it can be changed into another prime (29971280011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14985643005 + 14985643006.

It is an arithmetic number, because the mean of its divisors is an integer number (14985643006).

Almost surely, 229971286011 is an apocalyptic number.

29971286011 is a deficient number, since it is larger than the sum of its proper divisors (1).

29971286011 is an equidigital number, since it uses as much as digits as its factorization.

29971286011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 46.

The spelling of 29971286011 in words is "twenty-nine billion, nine hundred seventy-one million, two hundred eighty-six thousand, eleven".