Base | Representation |
---|---|
bin | 110111110010001011111010… |
… | …100010100000000101010101 |
3 | 1012011200101211210022102220212 |
4 | 313302023322202200011111 |
5 | 224124133013224333141 |
6 | 2225444125430335205 |
7 | 102451216515622400 |
oct | 6762137242400525 |
9 | 1164611753272825 |
10 | 245341325230421 |
11 | 7119a74306a472 |
12 | 236249614ba505 |
13 | a6b878422ba64 |
14 | 44828251a2d37 |
15 | 1d56d56b992eb |
hex | df22fa8a0155 |
245341325230421 has 12 divisors (see below), whose sum is σ = 302185113670188. Its totient is φ = 197922413630592.
The previous prime is 245341325230411. The next prime is 245341325230543. The reversal of 245341325230421 is 124032523143542.
It can be written as a sum of positive squares in 2 ways, for example, as 94264409148196 + 151076916082225 = 9708986^2 + 12291335^2 .
It is not a de Polignac number, because 245341325230421 - 218 = 245341324968277 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (245341325230411) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147263699786 + ... + 147263701451.
It is an arithmetic number, because the mean of its divisors is an integer number (25182092805849).
Almost surely, 2245341325230421 is an apocalyptic number.
It is an amenable number.
245341325230421 is a deficient number, since it is larger than the sum of its proper divisors (56843788439767).
245341325230421 is a wasteful number, since it uses less digits than its factorization.
245341325230421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 294527401268 (or 294527401261 counting only the distinct ones).
The product of its (nonzero) digits is 691200, while the sum is 41.
Adding to 245341325230421 its reverse (124032523143542), we get a palindrome (369373848373963).
The spelling of 245341325230421 in words is "two hundred forty-five trillion, three hundred forty-one billion, three hundred twenty-five million, two hundred thirty thousand, four hundred twenty-one".
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