Base | Representation |
---|---|
bin | 1110010010010011011… |
… | …0100010011001010111 |
3 | 212110111112111112222211 |
4 | 3210210312202121113 |
5 | 13010120420143221 |
6 | 304425530534251 |
7 | 23506006404061 |
oct | 3444466423127 |
9 | 773445445884 |
10 | 245431412311 |
11 | 950a56a7748 |
12 | 3b696597387 |
13 | 1a1b471c677 |
14 | bc43b70731 |
15 | 65b6bcd6e1 |
hex | 3924da2657 |
245431412311 has 4 divisors (see below), whose sum is σ = 245434298824. Its totient is φ = 245428525800.
The previous prime is 245431412279. The next prime is 245431412341. The reversal of 245431412311 is 113214134542.
It is a happy number.
245431412311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 245431412311 - 25 = 245431412279 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 (245431412341) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1311720 + ... + 1487101.
It is an arithmetic number, because the mean of its divisors is an integer number (61358574706).
Almost surely, 2245431412311 is an apocalyptic number.
245431412311 is a deficient number, since it is larger than the sum of its proper divisors (2886513).
245431412311 is an equidigital number, since it uses as much as digits as its factorization.
245431412311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2886512.
The product of its digits is 11520, while the sum is 31.
Adding to 245431412311 its reverse (113214134542), we get a palindrome (358645546853).
The spelling of 245431412311 in words is "two hundred forty-five billion, four hundred thirty-one million, four hundred twelve thousand, three hundred eleven".
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