Base | Representation |
---|---|
bin | 100101000110111… |
… | …1000000011000110 |
3 | 10012202222020122122 |
4 | 1022031320003012 |
5 | 10022224321210 |
6 | 323315525542 |
7 | 42566420045 |
oct | 11215700306 |
9 | 3182866578 |
10 | 1245151430 |
11 | 589945776 |
12 | 2a8bb98b2 |
13 | 16ac729c3 |
14 | bb52455c |
15 | 744a8b55 |
hex | 4a3780c6 |
1245151430 has 32 divisors (see below), whose sum is σ = 2298304800. Its totient is φ = 485436672.
The previous prime is 1245151423. The next prime is 1245151441. The reversal of 1245151430 is 341515421.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 1245151430.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216026 + ... + 221714.
It is an arithmetic number, because the mean of its divisors is an integer number (71822025).
Almost surely, 21245151430 is an apocalyptic number.
1245151430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1245151430 is a deficient number, since it is larger than the sum of its proper divisors (1053153370).
1245151430 is a wasteful number, since it uses less digits than its factorization.
1245151430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6248.
The product of its (nonzero) digits is 2400, while the sum is 26.
The square root of 1245151430 is about 35286.7033030857. The cubic root of 1245151430 is about 1075.8227499936.
Adding to 1245151430 its reverse (341515421), we get a palindrome (1586666851).
The spelling of 1245151430 in words is "one billion, two hundred forty-five million, one hundred fifty-one thousand, four hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •