Base | Representation |
---|---|
bin | 1000011010001001010… |
… | …0011000110110101110 |
3 | 111210212110122210122020 |
4 | 2012202110120312232 |
5 | 4331322014040241 |
6 | 150210202331010 |
7 | 13302532502664 |
oct | 2064224306656 |
9 | 453773583566 |
10 | 144457174446 |
11 | 5629a344292 |
12 | 23bb64b9a66 |
13 | 10812122b20 |
14 | 6dc558ac34 |
15 | 3b571a0b66 |
hex | 21a2518dae |
144457174446 has 64 divisors (see below), whose sum is σ = 320234923008. Its totient is φ = 43154045568.
The previous prime is 144457174427. The next prime is 144457174453. The reversal of 144457174446 is 644471754441.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1294171 + ... + 1401353.
It is an arithmetic number, because the mean of its divisors is an integer number (5003670672).
Almost surely, 2144457174446 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 144457174446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160117461504).
144457174446 is an abundant number, since it is smaller than the sum of its proper divisors (175777748562).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144457174446 is a wasteful number, since it uses less digits than its factorization.
144457174446 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 107705.
The product of its digits is 6021120, while the sum is 51.
The spelling of 144457174446 in words is "one hundred forty-four billion, four hundred fifty-seven million, one hundred seventy-four thousand, four hundred forty-six".
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