Search a number
-
+
312445314054242 = 2295386988173349
BaseRepresentation
bin100011100001010101101011…
…1111101001011100001100010
31111222021110222010222112010122
41013002223113331023201202
5311423101000344213432
63024303221252000242
7122545300102504655
oct10702532775134142
91458243863875118
10312445314054242
119061134a395326
122b061bb3600082
131054560b422985
14572261083789c
15261c64644e612
hex11c2ad7f4b862

312445314054242 has 8 divisors (see below), whose sum is σ = 484828935601500. Its totient is φ = 150835668853744.

The previous prime is 312445314054187. The next prime is 312445314054257. The reversal of 312445314054242 is 242450413544213.

It can be written as a sum of positive squares in 2 ways, for example, as 298467742935961 + 13977571118281 = 17276219^2 + 3738659^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 312445314054193 and 312445314054202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2693494086617 + ... + 2693494086732.

Almost surely, 2312445314054242 is an apocalyptic number.

312445314054242 is a deficient number, since it is larger than the sum of its proper divisors (172383621547258).

312445314054242 is a wasteful number, since it uses less digits than its factorization.

312445314054242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5386988173380.

The product of its (nonzero) digits is 1843200, while the sum is 44.

Adding to 312445314054242 its reverse (242450413544213), we get a palindrome (554895727598455).

The spelling of 312445314054242 in words is "three hundred twelve trillion, four hundred forty-five billion, three hundred fourteen million, fifty-four thousand, two hundred forty-two".

Divisors: 1 2 29 58 5386988173349 10773976346698 156222657027121 312445314054242