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312042324233 = 1974273370693
BaseRepresentation
bin1001000101001110010…
…11000000000100001001
31002211102202200111000202
410202213023000010021
520103030313333413
6355203353541545
731354461664343
oct4424713000411
91084382614022
10312042324233
11110377836782
12505864148b5
132356b991b53
141116261a293
1581b49dee58
hex48a72c0109

312042324233 has 8 divisors (see below), whose sum is σ = 313700538888. Its totient is φ = 310384859904.

The previous prime is 312042324221. The next prime is 312042324239. The reversal of 312042324233 is 332423240213.

It can be written as a sum of positive squares in 4 ways, for example, as 147877164304 + 164165159929 = 384548^2 + 405173^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 312042324233 - 222 = 312038129929 is a prime.

It is a super-2 number, since 2×3120423242332 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312042324196 and 312042324205.

It is not an unprimeable number, because it can be changed into a prime (312042324239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 656435 + ... + 1027127.

It is an arithmetic number, because the mean of its divisors is an integer number (39212567361).

Almost surely, 2312042324233 is an apocalyptic number.

It is an amenable number.

312042324233 is a deficient number, since it is larger than the sum of its proper divisors (1658214655).

312042324233 is a wasteful number, since it uses less digits than its factorization.

312042324233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375163.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 312042324233 its reverse (332423240213), we get a palindrome (644465564446).

The spelling of 312042324233 in words is "three hundred twelve billion, forty-two million, three hundred twenty-four thousand, two hundred thirty-three".

Divisors: 1 197 4273 370693 841781 73026521 1583971189 312042324233