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29720462971 is a prime number
BaseRepresentation
bin11011101011011110…
…100100011001111011
32211201021021221122211
4123223132210121323
5441331414303341
621353044355551
72101333524043
oct335336443173
984637257584
1029720462971
11116714767a1
1259153a5bb7
132a584b0384
14161d280723
15b8e30d181
hex6eb7a467b

29720462971 has 2 divisors, whose sum is σ = 29720462972. Its totient is φ = 29720462970.

The previous prime is 29720462957. The next prime is 29720462977. The reversal of 29720462971 is 17926402792.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 29720462971 - 25 = 29720462939 is a prime.

It is not a weakly prime, because it can be changed into another prime (29720462977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14860231485 + 14860231486.

It is an arithmetic number, because the mean of its divisors is an integer number (14860231486).

Almost surely, 229720462971 is an apocalyptic number.

29720462971 is a deficient number, since it is larger than the sum of its proper divisors (1).

29720462971 is an equidigital number, since it uses as much as digits as its factorization.

29720462971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 762048, while the sum is 49.

The spelling of 29720462971 in words is "twenty-nine billion, seven hundred twenty million, four hundred sixty-two thousand, nine hundred seventy-one".