Base | Representation |
---|---|
bin | 1110011010101011… |
… | …1011010001001001 |
3 | 100222201010000002220 |
4 | 3212222323101021 |
5 | 30411210344424 |
6 | 1440003444253 |
7 | 164621364150 |
oct | 34652732111 |
9 | 10881100086 |
10 | 3870012489 |
11 | 1706580732 |
12 | 900086689 |
13 | 498a0b825 |
14 | 289d98597 |
15 | 179b4a579 |
hex | e6abb449 |
3870012489 has 16 divisors (see below), whose sum is σ = 5914070400. Its totient is φ = 2205095040.
The previous prime is 3870012479. The next prime is 3870012533. The reversal of 3870012489 is 9842100783.
It is not a de Polignac number, because 3870012489 - 25 = 3870012457 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 3870012489.
It is not an unprimeable number, because it can be changed into a prime (3870012449) 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 15 ways as a sum of consecutive naturals, for example, 256692 + ... + 271349.
It is an arithmetic number, because the mean of its divisors is an integer number (369629400).
Almost surely, 23870012489 is an apocalyptic number.
It is an amenable number.
3870012489 is a deficient number, since it is larger than the sum of its proper divisors (2044057911).
3870012489 is a wasteful number, since it uses less digits than its factorization.
3870012489 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 528400.
The product of its (nonzero) digits is 96768, while the sum is 42.
The square root of 3870012489 is about 62209.4244387456. The cubic root of 3870012489 is about 1570.0161585690.
The spelling of 3870012489 in words is "three billion, eight hundred seventy million, twelve thousand, four hundred eighty-nine".
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