Base | Representation |
---|---|
bin | 1100100011001100110… |
… | …10110101101110000101 |
3 | 1112020001010011202211202 |
4 | 12101212122311232011 |
5 | 24031112022311123 |
6 | 530033014512245 |
7 | 43103624242442 |
oct | 6214632655605 |
9 | 1466033152752 |
10 | 431215041413 |
11 | 156971715a92 |
12 | 6b6a5065685 |
13 | 31881663050 |
14 | 16c29b349c9 |
15 | b33c02ea28 |
hex | 64666b5b85 |
431215041413 has 4 divisors (see below), whose sum is σ = 464385429228. Its totient is φ = 398044653600.
The previous prime is 431215041287. The next prime is 431215041431. The reversal of 431215041413 is 314140512134.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 279377787844 + 151837253569 = 528562^2 + 389663^2 .
It is a cyclic number.
It is not a de Polignac number, because 431215041413 - 28 = 431215041157 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 (431215041493) 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, 16585193888 + ... + 16585193913.
It is an arithmetic number, because the mean of its divisors is an integer number (116096357307).
Almost surely, 2431215041413 is an apocalyptic number.
It is an amenable number.
431215041413 is a deficient number, since it is larger than the sum of its proper divisors (33170387815).
431215041413 is a wasteful number, since it uses less digits than its factorization.
431215041413 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33170387814.
The product of its (nonzero) digits is 5760, while the sum is 29.
Adding to 431215041413 its reverse (314140512134), we get a palindrome (745355553547).
The spelling of 431215041413 in words is "four hundred thirty-one billion, two hundred fifteen million, forty-one thousand, four hundred thirteen".
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