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29867671087 is a prime number
BaseRepresentation
bin11011110100010000…
…000111111000101111
32212002112021220020021
4123310100013320233
5442132110433322
621415423503011
72105102005162
oct336420077057
985075256207
1029867671087
11117375813a1
125956757a67
132a7cb42577
141634a3dad9
15b9c1da4c7
hex6f4407e2f

29867671087 has 2 divisors, whose sum is σ = 29867671088. Its totient is φ = 29867671086.

The previous prime is 29867671073. The next prime is 29867671109. The reversal of 29867671087 is 78017676892.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29867671087 is a prime.

It is a super-2 number, since 2×298676710872 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29867671027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14933835543 + 14933835544.

It is an arithmetic number, because the mean of its divisors is an integer number (14933835544).

Almost surely, 229867671087 is an apocalyptic number.

29867671087 is a deficient number, since it is larger than the sum of its proper divisors (1).

29867671087 is an equidigital number, since it uses as much as digits as its factorization.

29867671087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14224896, while the sum is 61.

The spelling of 29867671087 in words is "twenty-nine billion, eight hundred sixty-seven million, six hundred seventy-one thousand, eighty-seven".