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29997974071739 is a prime number
BaseRepresentation
bin1101101001000011100101…
…00101101010100110111011
310221012210000101112221101002
412310201302211222212323
512412441322330243424
6143444513512315215
76214165522314632
oct664416245524673
9127183011487332
1029997974071739
119616084355183
1234459849a2b0b
131397a487b732b
14759ca42a2519
153704b1ee3cae
hex1b487296a9bb

29997974071739 has 2 divisors, whose sum is σ = 29997974071740. Its totient is φ = 29997974071738.

The previous prime is 29997974071679. The next prime is 29997974071777. The reversal of 29997974071739 is 93717047979992.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 29997974071739 - 236 = 29929254595003 is a prime.

It is not a weakly prime, because it can be changed into another prime (29997974071939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14998987035869 + 14998987035870.

It is an arithmetic number, because the mean of its divisors is an integer number (14998987035870).

Almost surely, 229997974071739 is an apocalyptic number.

29997974071739 is a deficient number, since it is larger than the sum of its proper divisors (1).

29997974071739 is an equidigital number, since it uses as much as digits as its factorization.

29997974071739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402639576, while the sum is 83.

The spelling of 29997974071739 in words is "twenty-nine trillion, nine hundred ninety-seven billion, nine hundred seventy-four million, seventy-one thousand, seven hundred thirty-nine".