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142356421147 is a prime number
BaseRepresentation
bin1000010010010100011…
…0101001101000011011
3111121110001201110212111
42010211012221220123
54313021220434042
6145221520053151
713166503420543
oct2044506515033
9447401643774
10142356421147
1155411541236
122370aa641b7
1310568b30135
146c66586323
153a82a3a517
hex21251a9a1b

142356421147 has 2 divisors, whose sum is σ = 142356421148. Its totient is φ = 142356421146.

The previous prime is 142356421013. The next prime is 142356421169. The reversal of 142356421147 is 741124653241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142356421147 - 215 = 142356388379 is a prime.

It is not a weakly prime, because it can be changed into another prime (142356421177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71178210573 + 71178210574.

It is an arithmetic number, because the mean of its divisors is an integer number (71178210574).

Almost surely, 2142356421147 is an apocalyptic number.

142356421147 is a deficient number, since it is larger than the sum of its proper divisors (1).

142356421147 is an equidigital number, since it uses as much as digits as its factorization.

142356421147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 40.

The spelling of 142356421147 in words is "one hundred forty-two billion, three hundred fifty-six million, four hundred twenty-one thousand, one hundred forty-seven".