Base | Representation |
---|---|
bin | 10101100100001000011… |
… | …111101100010100111001 |
3 | 12020200001121001001002201 |
4 | 111210020133230110321 |
5 | 143234420444232443 |
6 | 3052440041430201 |
7 | 212031006142030 |
oct | 25441037542471 |
9 | 5220047031081 |
10 | 1481906242873 |
11 | 521522493901 |
12 | 1bb25349b361 |
13 | a9987949c44 |
14 | 51a205d5717 |
15 | 28833b7134d |
hex | 159087ec539 |
1481906242873 has 4 divisors (see below), whose sum is σ = 1693607134720. Its totient is φ = 1270205351028.
The previous prime is 1481906242799. The next prime is 1481906242879. The reversal of 1481906242873 is 3782426091841.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 1481906242873 - 237 = 1344467289401 is a prime.
It is a super-3 number, since 3×14819062428733 (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1481906242879) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105850445913 + ... + 105850445926.
It is an arithmetic number, because the mean of its divisors is an integer number (423401783680).
Almost surely, 21481906242873 is an apocalyptic number.
It is an amenable number.
1481906242873 is a deficient number, since it is larger than the sum of its proper divisors (211700891847).
1481906242873 is an equidigital number, since it uses as much as digits as its factorization.
1481906242873 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 211700891846.
The product of its (nonzero) digits is 4644864, while the sum is 55.
The spelling of 1481906242873 in words is "one trillion, four hundred eighty-one billion, nine hundred six million, two hundred forty-two thousand, eight hundred seventy-three".
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