Base | Representation |
---|---|
bin | 101010011000000… |
… | …1010110110000111 |
3 | 10200002120200121012 |
4 | 1110300022312013 |
5 | 10403002212404 |
6 | 353032312435 |
7 | 50144031230 |
oct | 12460126607 |
9 | 3602520535 |
10 | 1421913479 |
11 | 66a6a6708 |
12 | 33824271b |
13 | 198781b2c |
14 | d6bb8087 |
15 | 84c72a6e |
hex | 54c0ad87 |
1421913479 has 8 divisors (see below), whose sum is σ = 1625880960. Its totient is φ = 1218155256.
The previous prime is 1421913403. The next prime is 1421913503. The reversal of 1421913479 is 9743191241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1421913479 - 212 = 1421909383 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1421913079) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37469 + ... + 65174.
It is an arithmetic number, because the mean of its divisors is an integer number (203235120).
Almost surely, 21421913479 is an apocalyptic number.
1421913479 is a deficient number, since it is larger than the sum of its proper divisors (203967481).
1421913479 is a wasteful number, since it uses less digits than its factorization.
1421913479 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 104629.
The product of its digits is 54432, while the sum is 41.
The square root of 1421913479 is about 37708.2680456157. The cubic root of 1421913479 is about 1124.4955048926.
The spelling of 1421913479 in words is "one billion, four hundred twenty-one million, nine hundred thirteen thousand, four hundred seventy-nine".
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