Base | Representation |
---|---|
bin | 1000011100001101101… |
… | …0011010001101011001 |
3 | 111212022011102020021010 |
4 | 2013003122122031121 |
5 | 4333441133312420 |
6 | 150341235004133 |
7 | 13322354033154 |
oct | 2070332321531 |
9 | 455264366233 |
10 | 145012400985 |
11 | 565547a11a1 |
12 | 24130439649 |
13 | 108a017323a |
14 | 70391dac9b |
15 | 3b8acc74e0 |
hex | 21c369a359 |
145012400985 has 8 divisors (see below), whose sum is σ = 232019841600. Its totient is φ = 77339947184.
The previous prime is 145012400959. The next prime is 145012400987. The reversal of 145012400985 is 589004210541.
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 145012400985 - 26 = 145012400921 is a prime.
It is not an unprimeable number, because it can be changed into a prime (145012400987) 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, 4833746685 + ... + 4833746714.
It is an arithmetic number, because the mean of its divisors is an integer number (29002480200).
Almost surely, 2145012400985 is an apocalyptic number.
145012400985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
145012400985 is a deficient number, since it is larger than the sum of its proper divisors (87007440615).
145012400985 is an equidigital number, since it uses as much as digits as its factorization.
145012400985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9667493407.
The product of its (nonzero) digits is 57600, while the sum is 39.
The spelling of 145012400985 in words is "one hundred forty-five billion, twelve million, four hundred thousand, nine hundred eighty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.026 sec. • engine limits •