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29948651471 is a prime number
BaseRepresentation
bin11011111001000101…
…000010011111001111
32212022011200010102202
4123321011002133033
5442313323321341
621431435312115
72110104223454
oct337105023717
985264603382
1029948651471
1111779262132
1259798ab63b
132a93856c5b
1416416bd82b
15ba438479b
hex6f91427cf

29948651471 has 2 divisors, whose sum is σ = 29948651472. Its totient is φ = 29948651470.

The previous prime is 29948651441. The next prime is 29948651479. The reversal of 29948651471 is 17415684992.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 29948651471 - 218 = 29948389327 is a prime.

It is a super-3 number, since 3×299486514713 (a number of 32 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29948651479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14974325735 + 14974325736.

It is an arithmetic number, because the mean of its divisors is an integer number (14974325736).

Almost surely, 229948651471 is an apocalyptic number.

29948651471 is a deficient number, since it is larger than the sum of its proper divisors (1).

29948651471 is an equidigital number, since it uses as much as digits as its factorization.

29948651471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4354560, while the sum is 56.

The spelling of 29948651471 in words is "twenty-nine billion, nine hundred forty-eight million, six hundred fifty-one thousand, four hundred seventy-one".