Base | Representation |
---|---|
bin | 10011110010011101000001… |
… | …000001110101110100001101 |
3 | 102102010222200021011122121202 |
4 | 103302131001001311310031 |
5 | 42401344431402223321 |
6 | 505033011451435245 |
7 | 24221465601315551 |
oct | 2362350101656415 |
9 | 372128607148552 |
10 | 87030013320461 |
11 | 25804248719362 |
12 | 9916bbb455b25 |
13 | 3973b83537963 |
14 | 176c3bcd01861 |
15 | a0dcb4ee370b |
hex | 4f2741075d0d |
87030013320461 has 4 divisors (see below), whose sum is σ = 89837433105024. Its totient is φ = 84222593535900.
The previous prime is 87030013320443. The next prime is 87030013320463. The reversal of 87030013320461 is 16402331003078.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 87030013320461 - 210 = 87030013319437 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 (87030013320463) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1403709892235 + ... + 1403709892296.
It is an arithmetic number, because the mean of its divisors is an integer number (22459358276256).
Almost surely, 287030013320461 is an apocalyptic number.
It is an amenable number.
87030013320461 is a deficient number, since it is larger than the sum of its proper divisors (2807419784563).
87030013320461 is a wasteful number, since it uses less digits than its factorization.
87030013320461 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2807419784562.
The product of its (nonzero) digits is 72576, while the sum is 38.
The spelling of 87030013320461 in words is "eighty-seven trillion, thirty billion, thirteen million, three hundred twenty thousand, four hundred sixty-one".
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