Base | Representation |
---|---|
bin | 11010111111011110… |
… | …101101101000010011 |
3 | 2202210211022112212221 |
4 | 122333132231220103 |
5 | 433323432201001 |
6 | 21151515201511 |
7 | 2044131340636 |
oct | 327736555023 |
9 | 82724275787 |
10 | 28982303251 |
11 | 11322833440 |
12 | 574a146297 |
13 | 296b59cc85 |
14 | 158d211c1d |
15 | b495ee1a1 |
hex | 6bf7ada13 |
28982303251 has 4 divisors (see below), whose sum is σ = 31617058104. Its totient is φ = 26347548400.
The previous prime is 28982303249. The next prime is 28982303257. The reversal of 28982303251 is 15230328982.
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 28982303251 - 21 = 28982303249 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 28982303198 and 28982303207.
It is not an unprimeable number, because it can be changed into a prime (28982303257) 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, 1317377410 + ... + 1317377431.
It is an arithmetic number, because the mean of its divisors is an integer number (7904264526).
Almost surely, 228982303251 is an apocalyptic number.
28982303251 is a deficient number, since it is larger than the sum of its proper divisors (2634754853).
28982303251 is a wasteful number, since it uses less digits than its factorization.
28982303251 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2634754852.
The product of its (nonzero) digits is 207360, while the sum is 43.
It can be divided in two parts, 28982 and 303251, that added together give a palindrome (332233).
The spelling of 28982303251 in words is "twenty-eight billion, nine hundred eighty-two million, three hundred three thousand, two hundred fifty-one".
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