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212031032142 = 2335338505357
BaseRepresentation
bin1100010101111000001…
…0001100101101001110
3202021021210210102221110
43011132002030231032
511433214421012032
6241223344512450
721214220015316
oct3053602145516
9667253712843
10212031032142
1181a15a98776
123511491b726
1316cc0a2a6c7
14a395c9a446
1557ae7c47cc
hex315e08cb4e

212031032142 has 8 divisors (see below), whose sum is σ = 424062064296. Its totient is φ = 70677010712.

The previous prime is 212031032111. The next prime is 212031032159. The reversal of 212031032142 is 241230130212.

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

212031032142 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17669252673 + ... + 17669252684.

It is an arithmetic number, because the mean of its divisors is an integer number (53007758037).

Almost surely, 2212031032142 is an apocalyptic number.

212031032142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

212031032142 is a wasteful number, since it uses less digits than its factorization.

212031032142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35338505362.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 212031032142 its reverse (241230130212), we get a palindrome (453261162354).

The spelling of 212031032142 in words is "two hundred twelve billion, thirty-one million, thirty-two thousand, one hundred forty-two".

Divisors: 1 2 3 6 35338505357 70677010714 106015516071 212031032142