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29641171969 is a prime number
BaseRepresentation
bin11011100110110000…
…000110010000000001
32211111202002112212001
4123212300012100001
5441201120000334
621341133104001
72066351542663
oct334660062001
984452075761
1029641171969
111163073a242
1258b2928001
132a44c3a916
141612920533
15b87399714
hex6e6c06401

29641171969 has 2 divisors, whose sum is σ = 29641171970. Its totient is φ = 29641171968.

The previous prime is 29641171949. The next prime is 29641171997. The reversal of 29641171969 is 96917114692.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16521760369 + 13119411600 = 128537^2 + 114540^2 .

It is a cyclic number.

It is not a de Polignac number, because 29641171969 - 213 = 29641163777 is a prime.

It is a super-2 number, since 2×296411719692 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (29641171949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14820585984 + 14820585985.

It is an arithmetic number, because the mean of its divisors is an integer number (14820585985).

Almost surely, 229641171969 is an apocalyptic number.

It is an amenable number.

29641171969 is a deficient number, since it is larger than the sum of its proper divisors (1).

29641171969 is an equidigital number, since it uses as much as digits as its factorization.

29641171969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1469664, while the sum is 55.

The spelling of 29641171969 in words is "twenty-nine billion, six hundred forty-one million, one hundred seventy-one thousand, nine hundred sixty-nine".