Base | Representation |
---|---|
bin | 101010010100100… |
… | …0010110000000011 |
3 | 10122222001202221221 |
4 | 1110221002300003 |
5 | 10402012422230 |
6 | 352524255511 |
7 | 50122120543 |
oct | 12451026003 |
9 | 3588052857 |
10 | 1420045315 |
11 | 669640077 |
12 | 3376a1597 |
13 | 198279700 |
14 | d684d323 |
15 | 84a0427a |
hex | 54a42c03 |
1420045315 has 12 divisors (see below), whose sum is σ = 1845219744. Its totient is φ = 1048648224.
The previous prime is 1420045307. The next prime is 1420045337. The reversal of 1420045315 is 5135400241.
It is a happy number.
It is not a de Polignac number, because 1420045315 - 23 = 1420045307 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1420045315.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 839419 + ... + 841108.
It is an arithmetic number, because the mean of its divisors is an integer number (153768312).
Almost surely, 21420045315 is an apocalyptic number.
1420045315 is a deficient number, since it is larger than the sum of its proper divisors (425174429).
1420045315 is a wasteful number, since it uses less digits than its factorization.
1420045315 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1680558 (or 1680545 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 25.
The square root of 1420045315 is about 37683.4886256567. The cubic root of 1420045315 is about 1124.0028207420.
Adding to 1420045315 its reverse (5135400241), we get a palindrome (6555445556).
The spelling of 1420045315 in words is "one billion, four hundred twenty million, forty-five thousand, three hundred fifteen".
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