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312141421042340 = 225311171429935017
BaseRepresentation
bin100011011111001000001011…
…0100001010101101010100100
31111221012102120022200000000112
41012332100112201111222210
5311403111112241323330
63023511442250032152
7122514321253514351
oct10676202641255244
91457172508600015
10312141421042340
119050448473961a
122b013122418658
1310522a6abc1b36
145711a22671628
1526147ac100795
hex11be416855aa4

312141421042340 has 48 divisors (see below), whose sum is σ = 677219882433024. Its totient is φ = 120725752492800.

The previous prime is 312141421042337. The next prime is 312141421042369. The reversal of 312141421042340 is 43240124141213.

It is a junction number, because it is equal to n+sod(n) for n = 312141421042297 and 312141421042306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214241489 + ... + 215693528.

It is an arithmetic number, because the mean of its divisors is an integer number (14108747550688).

Almost surely, 2312141421042340 is an apocalyptic number.

It is an amenable number.

312141421042340 is an abundant number, since it is smaller than the sum of its proper divisors (365078461390684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312141421042340 is a wasteful number, since it uses less digits than its factorization.

312141421042340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429936228 (or 429936226 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 312141421042340 its reverse (43240124141213), we get a palindrome (355381545183553).

The spelling of 312141421042340 in words is "three hundred twelve trillion, one hundred forty-one billion, four hundred twenty-one million, forty-two thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 1171 2342 4684 5855 11710 23420 36301 72602 145204 181505 363010 726020 429935017 859870034 1719740068 2149675085 4299350170 8598700340 13327985527 26655971054 53311942108 66639927635 133279855270 266559710540 503453904907 1006907809814 2013815619628 2517269524535 5034539049070 10069078098140 15607071052117 31214142104234 62428284208468 78035355260585 156070710521170 312141421042340