Base | Representation |
---|---|
bin | 111000100001000110… |
… | …0110101111101100010 |
3 | 102121021110120222112212 |
4 | 1301002030311331202 |
5 | 3442031123403143 |
6 | 131431222522122 |
7 | 11524440554522 |
oct | 1610214657542 |
9 | 377243528485 |
10 | 121369747298 |
11 | 47522070588 |
12 | 1b632596342 |
13 | b5a2c02b27 |
14 | 5c35221682 |
15 | 3255371918 |
hex | 1c42335f62 |
121369747298 has 6 divisors (see below), whose sum is σ = 182055359979. Its totient is φ = 60684627306.
The previous prime is 121369747297. The next prime is 121369747307. The reversal of 121369747298 is 892747963121.
It can be written as a sum of positive squares in only one way, i.e., 60684873649 + 60684873649 = 246343^2 + 246343^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=246343.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (121369747297) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 369515 + ... + 615857.
Almost surely, 2121369747298 is an apocalyptic number.
121369747298 is a deficient number, since it is larger than the sum of its proper divisors (60685612681).
121369747298 is an frugal number, since it uses more digits than its factorization.
121369747298 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 492688 (or 246345 counting only the distinct ones).
The product of its digits is 9144576, while the sum is 59.
The spelling of 121369747298 in words is "one hundred twenty-one billion, three hundred sixty-nine million, seven hundred forty-seven thousand, two hundred ninety-eight".
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