Base | Representation |
---|---|
bin | 1110111101000010… |
… | …01011010111010111 |
3 | 202201111111011000101 |
4 | 13132201023113113 |
5 | 112420210102201 |
6 | 3404344154531 |
7 | 402642426001 |
oct | 73641132727 |
9 | 22644434011 |
10 | 8028206551 |
11 | 344a793452 |
12 | 1680768a47 |
13 | 9ac33a9a1 |
14 | 56232b371 |
15 | 31ec1cd01 |
hex | 1de84b5d7 |
8028206551 has 4 divisors (see below), whose sum is σ = 8029948504. Its totient is φ = 8026464600.
The previous prime is 8028206533. The next prime is 8028206573. The reversal of 8028206551 is 1556028208.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 8028206551 - 219 = 8027682263 is a prime.
It is a super-4 number, since 4×80282065514 (a number of 41 digits) contains 4444 as substring.
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 8028206551.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8028236551) 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, 864045 + ... + 873286.
It is an arithmetic number, because the mean of its divisors is an integer number (2007487126).
Almost surely, 28028206551 is an apocalyptic number.
8028206551 is a deficient number, since it is larger than the sum of its proper divisors (1741953).
8028206551 is a wasteful number, since it uses less digits than its factorization.
8028206551 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1741952.
The product of its (nonzero) digits is 38400, while the sum is 37.
The square root of 8028206551 is about 89600.2597708288. The cubic root of 8028206551 is about 2002.3477887821.
The spelling of 8028206551 in words is "eight billion, twenty-eight million, two hundred six thousand, five hundred fifty-one".
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