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312042004020330 = 23531827405718303
BaseRepresentation
bin100011011110011001111000…
…0110011011111110001101010
31111220211220221210000000020020
41012330303300303133301222
5311344444011012122310
63023354041230141310
7122504201516001213
oct10674636063376152
91456756853000206
10312042004020330
11904762a8395511
122abb79b7951836
13105165860cb1ac
14570acb0c0640a
152611dde170170
hex11bccf0cdfc6a

312042004020330 has 64 divisors (see below), whose sum is σ = 773993677160448. Its totient is φ = 80429596188480.

The previous prime is 312042004020323. The next prime is 312042004020343. The reversal of 312042004020330 is 33020400240213.

It is a self number, because there is not a number n which added to its sum of digits gives 312042004020330.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 202090042 + ... + 203628261.

It is an arithmetic number, because the mean of its divisors is an integer number (12093651205632).

Almost surely, 2312042004020330 is an apocalyptic number.

312042004020330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

312042004020330 is an abundant number, since it is smaller than the sum of its proper divisors (461951673140118).

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

312042004020330 is a wasteful number, since it uses less digits than its factorization.

312042004020330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405719171.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 312042004020330 its reverse (33020400240213), we get a palindrome (345062404260543).

The spelling of 312042004020330 in words is "three hundred twelve trillion, forty-two billion, four million, twenty thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 310 465 827 930 1654 2481 4135 4962 8270 12405 24810 25637 51274 76911 128185 153822 256370 384555 769110 405718303 811436606 1217154909 2028591515 2434309818 4057183030 6085774545 12171549090 12577267393 25154534786 37731802179 62886336965 75463604358 125772673930 188659010895 335529036581 377318021790 671058073162 1006587109743 1677645182905 2013174219486 3355290365810 5032935548715 10065871097430 10401400134011 20802800268022 31204200402033 52007000670055 62408400804066 104014001340110 156021002010165 312042004020330