Base | Representation |
---|---|
bin | 1000011100001101001… |
… | …0111001000111010100 |
3 | 111212022000201010011020 |
4 | 2013003102321013110 |
5 | 4333440132233140 |
6 | 150341124441140 |
7 | 13322331215112 |
oct | 2070322710724 |
9 | 455260633136 |
10 | 145010430420 |
11 | 56553675729 |
12 | 2412b8491b0 |
13 | 1089c93331b |
14 | 7038c46ab2 |
15 | 3b8aa386d0 |
hex | 21c34b91d4 |
145010430420 has 96 divisors (see below), whose sum is σ = 419516267520. Its totient is φ = 37387284480.
The previous prime is 145010430407. The next prime is 145010430449. The reversal of 145010430420 is 24034010541.
It is a super-2 number, since 2×1450104304202 (a number of 23 digits) contains 22 as substring.
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, 1997316 + ... + 2068644.
It is an arithmetic number, because the mean of its divisors is an integer number (4369961120).
Almost surely, 2145010430420 is an apocalyptic number.
145010430420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 145010430420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209758133760).
145010430420 is an abundant number, since it is smaller than the sum of its proper divisors (274505837100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145010430420 is a wasteful number, since it uses less digits than its factorization.
145010430420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72465 (or 72463 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 24.
Adding to 145010430420 its reverse (24034010541), we get a palindrome (169044440961).
The spelling of 145010430420 in words is "one hundred forty-five billion, ten million, four hundred thirty thousand, four hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •