Base | Representation |
---|---|
bin | 11100010110101011001… |
… | …010011101001101111101 |
3 | 20220021101202010201020022 |
4 | 130112223022131031331 |
5 | 223411002402031031 |
6 | 4051042542101525 |
7 | 260526305166443 |
oct | 34265312351575 |
9 | 6807352121208 |
10 | 1948491830141 |
11 | 69139492846a |
12 | 275769b7a8a5 |
13 | 11198520185c |
14 | 6a443b30b93 |
15 | 35a4102797b |
hex | 1c5ab29d37d |
1948491830141 has 2 divisors, whose sum is σ = 1948491830142. Its totient is φ = 1948491830140.
The previous prime is 1948491830099. The next prime is 1948491830309. The reversal of 1948491830141 is 1410381948491.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1230313548025 + 718178282116 = 1109195^2 + 847454^2 .
It is a cyclic number.
It is not a de Polignac number, because 1948491830141 - 214 = 1948491813757 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1948491800141) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 974245915070 + 974245915071.
It is an arithmetic number, because the mean of its divisors is an integer number (974245915071).
Almost surely, 21948491830141 is an apocalyptic number.
It is an amenable number.
1948491830141 is a deficient number, since it is larger than the sum of its proper divisors (1).
1948491830141 is an equidigital number, since it uses as much as digits as its factorization.
1948491830141 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 995328, while the sum is 53.
The spelling of 1948491830141 in words is "one trillion, nine hundred forty-eight billion, four hundred ninety-one million, eight hundred thirty thousand, one hundred forty-one".
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