Base | Representation |
---|---|
bin | 10010000110101010100… |
… | …000010110001111100011 |
3 | 11101221020220012221011222 |
4 | 102012222200112033203 |
5 | 130340412133424404 |
6 | 2351311240325255 |
7 | 155612052556112 |
oct | 22065240261743 |
9 | 4357226187158 |
10 | 1244106154979 |
11 | 43a693544146 |
12 | 18114877382b |
13 | 9041b278b6c |
14 | 4430219dc79 |
15 | 22566e15dbe |
hex | 121aa8163e3 |
1244106154979 has 2 divisors, whose sum is σ = 1244106154980. Its totient is φ = 1244106154978.
The previous prime is 1244106154943. The next prime is 1244106155029. The reversal of 1244106154979 is 9794516014421.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1244106154979 - 224 = 1244089377763 is a prime.
It is a Sophie Germain prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1244106154979.
It is not a weakly prime, because it can be changed into another prime (1244106154079) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622053077489 + 622053077490.
It is an arithmetic number, because the mean of its divisors is an integer number (622053077490).
Almost surely, 21244106154979 is an apocalyptic number.
1244106154979 is a deficient number, since it is larger than the sum of its proper divisors (1).
1244106154979 is an equidigital number, since it uses as much as digits as its factorization.
1244106154979 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2177280, while the sum is 53.
The spelling of 1244106154979 in words is "one trillion, two hundred forty-four billion, one hundred six million, one hundred fifty-four thousand, nine hundred seventy-nine".
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