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312132413031442 = 25316318065309239
BaseRepresentation
bin100011011111000011111110…
…1100110100000010000010010
31111221011120022112111122010021
41012332013331212200100102
5311402434140214001232
63023503352341054054
7122513552112630043
oct10676077546402022
91457146275448107
10312132413031442
1190500681976713
122b0114296b732a
1310521c63898483
14571140a1728ca
152614431390397
hex11be1fd9a0412

312132413031442 has 16 divisors (see below), whose sum is σ = 479959135888320. Its totient is φ = 152182165020912.

The previous prime is 312132413031437. The next prime is 312132413031479. The reversal of 312132413031442 is 244130314231213.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 312132413031398 and 312132413031407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9032637342 + ... + 9032671897.

It is an arithmetic number, because the mean of its divisors is an integer number (29997445993020).

Almost surely, 2312132413031442 is an apocalyptic number.

312132413031442 is a deficient number, since it is larger than the sum of its proper divisors (167826722856878).

312132413031442 is a wasteful number, since it uses less digits than its factorization.

312132413031442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18065309457.

The product of its (nonzero) digits is 41472, while the sum is 34.

Adding to 312132413031442 its reverse (244130314231213), we get a palindrome (556262727262655).

The spelling of 312132413031442 in words is "three hundred twelve trillion, one hundred thirty-two billion, four hundred thirteen million, thirty-one thousand, four hundred forty-two".

Divisors: 1 2 53 106 163 326 8639 17278 18065309239 36130618478 957461389667 1914922779334 2944645405957 5889290811914 156066206515721 312132413031442