Base | Representation |
---|---|
bin | 11111011110010100100… |
… | …11011111001100011101 |
3 | 10211101100210000121202101 |
4 | 33233022103133030131 |
5 | 120204232302204222 |
6 | 2144445201125101 |
7 | 141062602650202 |
oct | 17571223371435 |
9 | 3741323017671 |
10 | 1081430897437 |
11 | 3876a5604440 |
12 | 155709029791 |
13 | 7ac949a9717 |
14 | 3a4ad257ca9 |
15 | 1d1e567e927 |
hex | fbca4df31d |
1081430897437 has 8 divisors (see below), whose sum is σ = 1179998152992. Its totient is φ = 982906201200.
The previous prime is 1081430897411. The next prime is 1081430897447. The reversal of 1081430897437 is 7347980341801.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-1081430897437 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1081430897447) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10586683 + ... + 10688344.
It is an arithmetic number, because the mean of its divisors is an integer number (147499769124).
Almost surely, 21081430897437 is an apocalyptic number.
It is an amenable number.
1081430897437 is a deficient number, since it is larger than the sum of its proper divisors (98567255555).
1081430897437 is a wasteful number, since it uses less digits than its factorization.
1081430897437 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21279659.
The product of its (nonzero) digits is 4064256, while the sum is 55.
The spelling of 1081430897437 in words is "one trillion, eighty-one billion, four hundred thirty million, eight hundred ninety-seven thousand, four hundred thirty-seven".
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