Base | Representation |
---|---|
bin | 11111011101100100000… |
… | …10100101001101011101 |
3 | 10211100022102000120010110 |
4 | 33232302002211031131 |
5 | 120202414043444240 |
6 | 2144340540000233 |
7 | 141046530536403 |
oct | 17566202451535 |
9 | 3740272016113 |
10 | 1081023812445 |
11 | 38750683a465 |
12 | 155614830079 |
13 | 7ac2b557325 |
14 | 3a47116b473 |
15 | 1d1bea6bc80 |
hex | fbb20a535d |
1081023812445 has 8 divisors (see below), whose sum is σ = 1729638099936. Its totient is φ = 576546033296.
The previous prime is 1081023812437. The next prime is 1081023812461. The reversal of 1081023812445 is 5442183201801.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1081023812445 - 23 = 1081023812437 is a prime.
It is a super-2 number, since 2×10810238124452 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36034127067 + ... + 36034127096.
It is an arithmetic number, because the mean of its divisors is an integer number (216204762492).
Almost surely, 21081023812445 is an apocalyptic number.
1081023812445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1081023812445 is a deficient number, since it is larger than the sum of its proper divisors (648614287491).
1081023812445 is an equidigital number, since it uses as much as digits as its factorization.
1081023812445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72068254171.
The product of its (nonzero) digits is 61440, while the sum is 39.
The spelling of 1081023812445 in words is "one trillion, eighty-one billion, twenty-three million, eight hundred twelve thousand, four hundred forty-five".
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