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12157151 is a prime number
BaseRepresentation
bin101110011000…
…000011011111
3211212122110212
4232120003133
511103012101
61112323035
7205222406
oct56300337
924778425
1012157151
116953936
1240a347b
1326986a6
14188663d
1511021bb
hexb980df

12157151 has 2 divisors, whose sum is σ = 12157152. Its totient is φ = 12157150.

The previous prime is 12157147. The next prime is 12157153. The reversal of 12157151 is 15175121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12157151 - 22 = 12157147 is a prime.

Together with 12157153, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12157153) 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, 6078575 + 6078576.

It is an arithmetic number, because the mean of its divisors is an integer number (6078576).

Almost surely, 212157151 is an apocalyptic number.

12157151 is a deficient number, since it is larger than the sum of its proper divisors (1).

12157151 is an equidigital number, since it uses as much as digits as its factorization.

12157151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 350, while the sum is 23.

The square root of 12157151 is about 3486.7106275113. The cubic root of 12157151 is about 229.9379227553.

The spelling of 12157151 in words is "twelve million, one hundred fifty-seven thousand, one hundred fifty-one".