Base | Representation |
---|---|
bin | 101010010100101… |
… | …0100111101011101 |
3 | 10122222012120021101 |
4 | 1110221110331131 |
5 | 10402022314101 |
6 | 352530033101 |
7 | 50122551154 |
oct | 12451247535 |
9 | 3588176241 |
10 | 1420119901 |
11 | 669691112 |
12 | 337718791 |
13 | 1982a4645 |
14 | d686c59b |
15 | 84a1b401 |
hex | 54a54f5d |
1420119901 has 8 divisors (see below), whose sum is σ = 1425243960. Its totient is φ = 1415006208.
The previous prime is 1420119887. The next prime is 1420119917. The reversal of 1420119901 is 1099110241.
It can be written as a sum of positive squares in 4 ways, for example, as 238548025 + 1181571876 = 15445^2 + 34374^2 .
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 1420119901 - 27 = 1420119773 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 1420119901.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1420119931) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 354015 + ... + 358003.
It is an arithmetic number, because the mean of its divisors is an integer number (178155495).
Almost surely, 21420119901 is an apocalyptic number.
It is an amenable number.
1420119901 is a deficient number, since it is larger than the sum of its proper divisors (5124059).
1420119901 is an equidigital number, since it uses as much as digits as its factorization.
1420119901 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5183.
The product of its (nonzero) digits is 648, while the sum is 28.
The square root of 1420119901 is about 37684.4782503354. The cubic root of 1420119901 is about 1124.0224993174.
The spelling of 1420119901 in words is "one billion, four hundred twenty million, one hundred nineteen thousand, nine hundred one".
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