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121476742297 = 233521359409
BaseRepresentation
bin111000100100010010…
…0111111110010011001
3102121112220220220002121
41301020210333302121
53442241021223142
6131450004101241
711530210162351
oct1611044776231
9377486826077
10121476742297
11475774aa4a9
121b662394821
13b5bc125491
145c45513b61
15325e958c67
hex1c4893fc99

121476742297 has 4 divisors (see below), whose sum is σ = 121998101940. Its totient is φ = 120955382656.

The previous prime is 121476742267. The next prime is 121476742301. The reversal of 121476742297 is 792247674121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 72751036176 + 48725706121 = 269724^2 + 220739^2 .

It is a cyclic number.

It is not a de Polignac number, because 121476742297 - 27 = 121476742169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121476742267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260679472 + ... + 260679937.

It is an arithmetic number, because the mean of its divisors is an integer number (30499525485).

Almost surely, 2121476742297 is an apocalyptic number.

It is an amenable number.

121476742297 is a deficient number, since it is larger than the sum of its proper divisors (521359643).

121476742297 is an equidigital number, since it uses as much as digits as its factorization.

121476742297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521359642.

The product of its digits is 2370816, while the sum is 52.

The spelling of 121476742297 in words is "one hundred twenty-one billion, four hundred seventy-six million, seven hundred forty-two thousand, two hundred ninety-seven".

Divisors: 1 233 521359409 121476742297