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312420330142 = 21371140220183
BaseRepresentation
bin1001000101111011011…
…00111110101010011110
31002212102002222011122121
410202331230332222132
520104314101031032
6355305055533154
731400031663364
oct4427554765236
91085362864577
10312420330142
1111055114a158
1250670b2a1ba
13235cc0a249b
141119a8d7634
1581d7caba97
hex48bdb3ea9e

312420330142 has 8 divisors (see below), whose sum is σ = 472051156176. Its totient is φ = 155069944752.

The previous prime is 312420330113. The next prime is 312420330151. The reversal of 312420330142 is 241033024213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 570109818 + ... + 570110365.

It is an arithmetic number, because the mean of its divisors is an integer number (59006394522).

Almost surely, 2312420330142 is an apocalyptic number.

312420330142 is a deficient number, since it is larger than the sum of its proper divisors (159630826034).

312420330142 is a wasteful number, since it uses less digits than its factorization.

312420330142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140220322.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 312420330142 its reverse (241033024213), we get a palindrome (553453354355).

The spelling of 312420330142 in words is "three hundred twelve billion, four hundred twenty million, three hundred thirty thousand, one hundred forty-two".

Divisors: 1 2 137 274 1140220183 2280440366 156210165071 312420330142