Base | Representation |
---|---|
bin | 1000011101101101101… |
… | …1000101001000110000 |
3 | 111220100020102001210021 |
4 | 2013123123011020300 |
5 | 4340302244330000 |
6 | 150445225013224 |
7 | 13335345026605 |
oct | 2073333051060 |
9 | 456306361707 |
10 | 145415230000 |
11 | 56741119637 |
12 | 24223324214 |
13 | 109357653c1 |
14 | 70768da6ac |
15 | 3bb134911a |
hex | 21db6c5230 |
145415230000 has 50 divisors (see below), whose sum is σ = 352064837564. Its totient is φ = 58166088000.
The previous prime is 145415229943. The next prime is 145415230043. The reversal of 145415230000 is 32514541.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (50).
It is a super-2 number, since 2×1454152300002 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (25).
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 9 ways as a sum of consecutive naturals, for example, 7260762 + ... + 7280761.
Almost surely, 2145415230000 is an apocalyptic number.
145415230000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
145415230000 is an abundant number, since it is smaller than the sum of its proper divisors (206649607564).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145415230000 is an equidigital number, since it uses as much as digits as its factorization.
145415230000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14541551 (or 14541530 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 25.
Adding to 145415230000 its reverse (32514541), we get a palindrome (145447744541).
The spelling of 145415230000 in words is "one hundred forty-five billion, four hundred fifteen million, two hundred thirty thousand".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •