Base | Representation |
---|---|
bin | 101010010100101… |
… | …0110000100011101 |
3 | 10122222012210111200 |
4 | 1110221112010131 |
5 | 10402022440240 |
6 | 352530110113 |
7 | 50122600335 |
oct | 12451260435 |
9 | 3588183450 |
10 | 1420124445 |
11 | 669694573 |
12 | 33771b339 |
13 | 1982a672c |
14 | d68700c5 |
15 | 84a1c930 |
hex | 54a5611d |
1420124445 has 12 divisors (see below), whose sum is σ = 2461549116. Its totient is φ = 757399680.
The previous prime is 1420124423. The next prime is 1420124471. The reversal of 1420124445 is 5444210241.
1420124445 is a `hidden beast` number, since 14 + 201 + 2 + 4 + 445 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 833419161 + 586705284 = 28869^2 + 24222^2 .
It is not a de Polignac number, because 1420124445 - 214 = 1420108061 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15779116 + ... + 15779205.
It is an arithmetic number, because the mean of its divisors is an integer number (205129093).
Almost surely, 21420124445 is an apocalyptic number.
1420124445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1420124445 is a deficient number, since it is larger than the sum of its proper divisors (1041424671).
1420124445 is a wasteful number, since it uses less digits than its factorization.
1420124445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31558332 (or 31558329 counting only the distinct ones).
The product of its (nonzero) digits is 5120, while the sum is 27.
The square root of 1420124445 is about 37684.5385403616. The cubic root of 1420124445 is about 1124.0236981723.
Adding to 1420124445 its reverse (5444210241), we get a palindrome (6864334686).
The spelling of 1420124445 in words is "one billion, four hundred twenty million, one hundred twenty-four thousand, four hundred forty-five".
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