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312212201333 = 29100291107347
BaseRepresentation
bin1001000101100010100…
…11000001111101110101
31002211212121100010121012
410202301103001331311
520103402310420313
6355232303002005
731361623632014
oct4426123017565
91084777303535
10312212201333
1111045471497a
1250613299305
1323597c30246
141117addaa7b
1581c4898da8
hex48b14c1f75

312212201333 has 8 divisors (see below), whose sum is σ = 322984368480. Its totient is φ = 301440449520.

The previous prime is 312212201317. The next prime is 312212201359. The reversal of 312212201333 is 333102212213.

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 312212201333 - 24 = 312212201317 is a prime.

It is a super-2 number, since 2×3122122013332 (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 = 312212201299 and 312212201308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312212201233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2854766 + ... + 2962112.

It is an arithmetic number, because the mean of its divisors is an integer number (40373046060).

Almost surely, 2312212201333 is an apocalyptic number.

It is an amenable number.

312212201333 is a deficient number, since it is larger than the sum of its proper divisors (10772167147).

312212201333 is a wasteful number, since it uses less digits than its factorization.

312212201333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207667.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 312212201333 its reverse (333102212213), we get a palindrome (645314413546).

The spelling of 312212201333 in words is "three hundred twelve billion, two hundred twelve million, two hundred one thousand, three hundred thirty-three".

Divisors: 1 29 100291 107347 2908439 3113063 10765937977 312212201333