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312442412333243 = 2343315917504887
BaseRepresentation
bin100011100001010100010101…
…0111111111111100010111011
31111222021012110220212211020112
41013002220222333333202323
5311423024030024130433
63024302021314014535
7122545135146335663
oct10702505277774273
91458235426784215
10312442412333243
11906100a04503a5
122b06152387744b
13105452681cb7ba
1457224172d51a3
15261c526820348
hex11c2a2afff8bb

312442412333243 has 8 divisors (see below), whose sum is σ = 333608885161728. Its totient is φ = 291907774514664.

The previous prime is 312442412333231. The next prime is 312442412333263. The reversal of 312442412333243 is 342333214244213.

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

It is a cyclic number.

It is not a de Polignac number, because 312442412333243 - 220 = 312442411284667 is a prime.

It is a super-2 number, since 2×3124424123332432 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 312442412333243.

It is not an unprimeable number, because it can be changed into a prime (312442412333213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157958751455 + ... + 157958753432.

It is an arithmetic number, because the mean of its divisors is an integer number (41701110645216).

Almost surely, 2312442412333243 is an apocalyptic number.

312442412333243 is a deficient number, since it is larger than the sum of its proper divisors (21166472828485).

312442412333243 is a wasteful number, since it uses less digits than its factorization.

312442412333243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315917504953.

The product of its digits is 995328, while the sum is 41.

Adding to 312442412333243 its reverse (342333214244213), we get a palindrome (654775626577456).

The spelling of 312442412333243 in words is "three hundred twelve trillion, four hundred forty-two billion, four hundred twelve million, three hundred thirty-three thousand, two hundred forty-three".

Divisors: 1 23 43 989 315917504887 7266102612401 13584452710141 312442412333243