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213152047 is a prime number
BaseRepresentation
bin11001011010001…
…11000100101111
3112212002020122021
430231013010233
5414031331142
633052331011
75165522353
oct1455070457
9485066567
10213152047
11aa356319
125b473a67
1335210794
1420447463
1513aa6267
hexcb4712f

213152047 has 2 divisors, whose sum is σ = 213152048. Its totient is φ = 213152046.

The previous prime is 213152039. The next prime is 213152057. The reversal of 213152047 is 740251312.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213152047 - 23 = 213152039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213152057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106576023 + 106576024.

It is an arithmetic number, because the mean of its divisors is an integer number (106576024).

Almost surely, 2213152047 is an apocalyptic number.

213152047 is a deficient number, since it is larger than the sum of its proper divisors (1).

213152047 is an equidigital number, since it uses as much as digits as its factorization.

213152047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 213152047 is about 14599.7276344458. The cubic root of 213152047 is about 597.3513312766.

The spelling of 213152047 in words is "two hundred thirteen million, one hundred fifty-two thousand, forty-seven".