Base | Representation |
---|---|
bin | 1000011100010011010… |
… | …1010011111100111000 |
3 | 111212100211020220011010 |
4 | 2013010311103330320 |
5 | 4334013233333311 |
6 | 150343445433520 |
7 | 13323063421635 |
oct | 2070465237470 |
9 | 455324226133 |
10 | 145036230456 |
11 | 56567197677 |
12 | 2413840b8a0 |
13 | 108a5097710 |
14 | 703c44118c |
15 | 3b8ce32da6 |
hex | 21c4d53f38 |
145036230456 has 128 divisors (see below), whose sum is σ = 423067518720. Its totient is φ = 41024600064.
The previous prime is 145036230431. The next prime is 145036230457. The reversal of 145036230456 is 654032630541.
145036230456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145036230457) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89890 + ... + 546033.
It is an arithmetic number, because the mean of its divisors is an integer number (3305214990).
Almost surely, 2145036230456 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 145036230456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211533759360).
145036230456 is an abundant number, since it is smaller than the sum of its proper divisors (278031288264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145036230456 is a wasteful number, since it uses less digits than its factorization.
145036230456 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 636005 (or 636001 counting only the distinct ones).
The product of its (nonzero) digits is 259200, while the sum is 39.
Adding to 145036230456 its reverse (654032630541), we get a palindrome (799068860997).
The spelling of 145036230456 in words is "one hundred forty-five billion, thirty-six million, two hundred thirty thousand, four hundred fifty-six".
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