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212131502335 = 5107396507481
BaseRepresentation
bin1100010110010000000…
…1011101100011111111
3202021112210211212010201
43011210001131203333
511433421131033320
6241241334144331
721216550006324
oct3054401354377
9667483755121
10212131502335
1181a67780495
12351424b20a7
13170087a721c
14a3a5370b4b
1557b851d70a
hex316405d8ff

212131502335 has 8 divisors (see below), whose sum is σ = 256936848336. Its totient is φ = 168119171520.

The previous prime is 212131502333. The next prime is 212131502357. The reversal of 212131502335 is 533205131212.

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

It is not a de Polignac number, because 212131502335 - 21 = 212131502333 is a prime.

It is a super-2 number, since 2×2121315023352 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212131502333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198253206 + ... + 198254275.

It is an arithmetic number, because the mean of its divisors is an integer number (32117106042).

Almost surely, 2212131502335 is an apocalyptic number.

212131502335 is a deficient number, since it is larger than the sum of its proper divisors (44805346001).

212131502335 is a wasteful number, since it uses less digits than its factorization.

212131502335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396507593.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 212131502335 its reverse (533205131212), we get a palindrome (745336633547).

The spelling of 212131502335 in words is "two hundred twelve billion, one hundred thirty-one million, five hundred two thousand, three hundred thirty-five".

Divisors: 1 5 107 535 396507481 1982537405 42426300467 212131502335