Base | Representation |
---|---|
bin | 1110010001100100101… |
… | …0011100101010100101 |
3 | 212102222212111021111201 |
4 | 3210121022130222211 |
5 | 13004220214231000 |
6 | 304354243402501 |
7 | 23501105462026 |
oct | 3443112345245 |
9 | 772885437451 |
10 | 245235305125 |
11 | 95004a33498 |
12 | 3b640983431 |
13 | 1a182bc9205 |
14 | bc25ac2c4d |
15 | 65a489296a |
hex | 391929caa5 |
245235305125 has 8 divisors (see below), whose sum is σ = 306053660952. Its totient is φ = 196188244000.
The previous prime is 245235305113. The next prime is 245235305129. The reversal of 245235305125 is 521503532542.
It can be written as a sum of positive squares in 4 ways, for example, as 71473883716 + 173761421409 = 267346^2 + 416847^2 .
It is not a de Polignac number, because 245235305125 - 27 = 245235304997 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 (245235305129) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 980941096 + ... + 980941345.
It is an arithmetic number, because the mean of its divisors is an integer number (38256707619).
Almost surely, 2245235305125 is an apocalyptic number.
245235305125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
245235305125 is a deficient number, since it is larger than the sum of its proper divisors (60818355827).
245235305125 is an equidigital number, since it uses as much as digits as its factorization.
245235305125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1961882456 (or 1961882446 counting only the distinct ones).
The product of its (nonzero) digits is 180000, while the sum is 37.
Adding to 245235305125 its reverse (521503532542), we get a palindrome (766738837667).
The spelling of 245235305125 in words is "two hundred forty-five billion, two hundred thirty-five million, three hundred five thousand, one hundred twenty-five".
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