Search a number
-
+
312440441143241 = 7611229334064789
BaseRepresentation
bin100011100001010011011010…
…1100000011111111111001001
31111222021000101112201222220102
41013002212311200133333021
5311423011010413040431
63024301053540335145
7122545035252445235
oct10702466540377711
91458230345658812
10312440441143241
119060a2797a1154
122b0610736a44b5
1310545012a00898
1457222ab5b95c5
15261c45d74ddcb
hex11c29b581ffc9

312440441143241 has 8 divisors (see below), whose sum is σ = 313105565075400. Its totient is φ = 311775985344640.

The previous prime is 312440441143183. The next prime is 312440441143253. The reversal of 312440441143241 is 142341144044213.

It can be written as a sum of positive squares in 4 ways, for example, as 773335566025 + 311667105577216 = 879395^2 + 17654096^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-312440441143241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312440441143195 and 312440441143204.

It is not an unprimeable number, because it can be changed into a prime (312440441143261) 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, 166097126 + ... + 167967663.

It is an arithmetic number, because the mean of its divisors is an integer number (39138195634425).

Almost surely, 2312440441143241 is an apocalyptic number.

It is an amenable number.

312440441143241 is a deficient number, since it is larger than the sum of its proper divisors (665123932159).

312440441143241 is a wasteful number, since it uses less digits than its factorization.

312440441143241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334066779.

The product of its (nonzero) digits is 147456, while the sum is 38.

Adding to 312440441143241 its reverse (142341144044213), we get a palindrome (454781585187454).

The spelling of 312440441143241 in words is "three hundred twelve trillion, four hundred forty billion, four hundred forty-one million, one hundred forty-three thousand, two hundred forty-one".

Divisors: 1 761 1229 935269 334064789 254223304429 410565625681 312440441143241