Base | Representation |
---|---|
bin | 1001001110111011101110… |
… | …01101011010010010001001 |
3 | 2122220001222022012011122111 |
4 | 10213131313031122102021 |
5 | 10130131211431144200 |
6 | 111103401010222321 |
7 | 4163636511605314 |
oct | 447356715322211 |
9 | 78801868164574 |
10 | 20304310412425 |
11 | 6519011993a56 |
12 | 233b1405849a1 |
13 | b438c4139330 |
14 | 502a3ba3797b |
15 | 253265b840ba |
hex | 12777735a489 |
20304310412425 has 12 divisors (see below), whose sum is σ = 27114063751180. Its totient is φ = 14993952304320.
The previous prime is 20304310412423. The next prime is 20304310412437. The reversal of 20304310412425 is 52421401340302.
It can be written as a sum of positive squares in 6 ways, for example, as 3440212557961 + 16864097854464 = 1854781^2 + 4106592^2 .
It is not a de Polignac number, because 20304310412425 - 21 = 20304310412423 is a prime.
It is a super-2 number, since 2×203043104124252 (a number of 27 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (20304310412423) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31237400310 + ... + 31237400959.
Almost surely, 220304310412425 is an apocalyptic number.
20304310412425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
20304310412425 is a deficient number, since it is larger than the sum of its proper divisors (6809753338755).
20304310412425 is a wasteful number, since it uses less digits than its factorization.
20304310412425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62474801292 (or 62474801287 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 31.
Adding to 20304310412425 its reverse (52421401340302), we get a palindrome (72725711752727).
The spelling of 20304310412425 in words is "twenty trillion, three hundred four billion, three hundred ten million, four hundred twelve thousand, four hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •