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312343043441420 = 225234315790851539
BaseRepresentation
bin100011100000100110000100…
…0001001110000001100001100
31111221220200222201210002122202
41013001030020021300030030
5311414412023110111140
63024144225133501032
7122535016534602005
oct10701141011601414
91457820881702582
10312343043441420
1190581a39290202
122b046211341778
1310538a9038a164
14571b6abdd81ac
152619b5cbea915
hex11c130827030c

312343043441420 has 48 divisors (see below), whose sum is σ = 700355847502080. Its totient is φ = 116725974568896.

The previous prime is 312343043441371. The next prime is 312343043441461. The reversal of 312343043441420 is 24144340343213.

It is a super-3 number, since 3×3123430434414203 (a number of 44 digits) contains 333 as substring.

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, 7895405990 + ... + 7895445549.

It is an arithmetic number, because the mean of its divisors is an integer number (14590746822960).

Almost surely, 2312343043441420 is an apocalyptic number.

It is an amenable number.

312343043441420 is an abundant number, since it is smaller than the sum of its proper divisors (388012804060660).

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

312343043441420 is a wasteful number, since it uses less digits than its factorization.

312343043441420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15790851614 (or 15790851612 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 38.

Adding to 312343043441420 its reverse (24144340343213), we get a palindrome (336487383784633).

The spelling of 312343043441420 in words is "three hundred twelve trillion, three hundred forty-three billion, forty-three million, four hundred forty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 23 43 46 86 92 115 172 215 230 430 460 860 989 1978 3956 4945 9890 19780 15790851539 31581703078 63163406156 78954257695 157908515390 315817030780 363189585397 679006616177 726379170794 1358013232354 1452758341588 1815947926985 2716026464708 3395033080885 3631895853970 6790066161770 7263791707940 13580132323540 15617152172071 31234304344142 62468608688284 78085760860355 156171521720710 312343043441420