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121341450079 is a prime number
BaseRepresentation
bin111000100000010000…
…0111001011101011111
3102121012111100100001201
41301000200321131133
53442001402400304
6131424332220331
711523645210403
oct1610040713537
9377174310051
10121341450079
11475080a3453
121b62500a6a7
13b59a0a5c05
145c31577103
153252b323a4
hex1c4083975f

121341450079 has 2 divisors, whose sum is σ = 121341450080. Its totient is φ = 121341450078.

The previous prime is 121341450077. The next prime is 121341450101. The reversal of 121341450079 is 970054143121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121341450079 - 21 = 121341450077 is a prime.

Together with 121341450077, 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 (121341450077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60670725039 + 60670725040.

It is an arithmetic number, because the mean of its divisors is an integer number (60670725040).

Almost surely, 2121341450079 is an apocalyptic number.

121341450079 is a deficient number, since it is larger than the sum of its proper divisors (1).

121341450079 is an equidigital number, since it uses as much as digits as its factorization.

121341450079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 121341450079 in words is "one hundred twenty-one billion, three hundred forty-one million, four hundred fifty thousand, seventy-nine".