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312443243053123 = 71319342443419147
BaseRepresentation
bin100011100001010100101110…
…0100000111100000001000011
31111222021021121211000202200111
41013002221130200330001003
5311423032230210144443
63024302235551132151
7122545164554336560
oct10702513440740103
91458237554022614
10312443243053123
1190610487363556
122b061715b14057
131054536b349220
145722495779867
15261c57471469d
hex11c2a5c83c043

312443243053123 has 32 divisors (see below), whose sum is σ = 386548023246336. Its totient is φ = 245920590010368.

The previous prime is 312443243053121. The next prime is 312443243053163. The reversal of 312443243053123 is 321350342344213.

It is not a de Polignac number, because 312443243053123 - 21 = 312443243053121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312443243053121) 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 31 ways as a sum of consecutive naturals, for example, 745216836 + ... + 745635982.

It is an arithmetic number, because the mean of its divisors is an integer number (12079625726448).

Almost surely, 2312443243053123 is an apocalyptic number.

312443243053123 is a deficient number, since it is larger than the sum of its proper divisors (74104780193213).

312443243053123 is a wasteful number, since it uses less digits than its factorization.

312443243053123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461803.

The product of its (nonzero) digits is 622080, while the sum is 40.

Adding to 312443243053123 its reverse (321350342344213), we get a palindrome (633793585397336).

The spelling of 312443243053123 in words is "three hundred twelve trillion, four hundred forty-three billion, two hundred forty-three million, fifty-three thousand, one hundred twenty-three".

Divisors: 1 7 13 91 193 1351 2509 17563 42443 297101 419147 551759 2934029 3862313 5448911 8191499 38142377 57340493 80895371 106489487 566267597 745426409 1051639823 7361478761 17789856121 124528992847 231268129573 1618876907011 3433442231353 24034095619471 44634749007589 312443243053123