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42214648501 is a prime number
BaseRepresentation
bin100111010100001100…
…000110101010110101
311000222000022100010001
4213110030012222311
51142423422223001
631220530231301
73023055406654
oct472414065265
9130860270101
1042214648501
11169a3083263
128221725531
133c99b4256c
14208677d19b
151171149001
hex9d4306ab5

42214648501 has 2 divisors, whose sum is σ = 42214648502. Its totient is φ = 42214648500.

The previous prime is 42214648499. The next prime is 42214648507. The reversal of 42214648501 is 10584641224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41881622500 + 333026001 = 204650^2 + 18249^2 .

It is a cyclic number.

It is not a de Polignac number, because 42214648501 - 21 = 42214648499 is a prime.

Together with 42214648499, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42214648507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21107324250 + 21107324251.

It is an arithmetic number, because the mean of its divisors is an integer number (21107324251).

Almost surely, 242214648501 is an apocalyptic number.

It is an amenable number.

42214648501 is a deficient number, since it is larger than the sum of its proper divisors (1).

42214648501 is an equidigital number, since it uses as much as digits as its factorization.

42214648501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61440, while the sum is 37.

The spelling of 42214648501 in words is "forty-two billion, two hundred fourteen million, six hundred forty-eight thousand, five hundred one".