Base | Representation |
---|---|
bin | 1000011111110011111… |
… | …0011011011111111011 |
3 | 111221210110122002200012 |
4 | 2013330332123133323 |
5 | 4342430401113023 |
6 | 151021134132135 |
7 | 13355321520533 |
oct | 2077476333773 |
9 | 457713562605 |
10 | 145978144763 |
11 | 569aa947850 |
12 | 2435b95104b |
13 | 109c5278069 |
14 | 70cb58c4c3 |
15 | 3be598d978 |
hex | 21fcf9b7fb |
145978144763 has 8 divisors (see below), whose sum is σ = 159909671856. Its totient is φ = 132156748800.
The previous prime is 145978144759. The next prime is 145978144771. The reversal of 145978144763 is 367441879541.
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 145978144763 - 22 = 145978144759 is a prime.
It is not an unprimeable number, because it can be changed into a prime (145978144703) 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, 27530006 + ... + 27535307.
It is an arithmetic number, because the mean of its divisors is an integer number (19988708982).
Almost surely, 2145978144763 is an apocalyptic number.
145978144763 is a deficient number, since it is larger than the sum of its proper divisors (13931527093).
145978144763 is a wasteful number, since it uses less digits than its factorization.
145978144763 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55065565.
The product of its digits is 20321280, while the sum is 59.
The spelling of 145978144763 in words is "one hundred forty-five billion, nine hundred seventy-eight million, one hundred forty-four thousand, seven hundred sixty-three".
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