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212032213312 = 2617194882549
BaseRepresentation
bin1100010101111000011…
…0101101000101000000
3202021021220000110012111
43011132012231011000
511433220221311222
6241223430105104
721214233035053
oct3053606550500
9667256013174
10212032213312
1181a16725147
12351151ab194
1316cc105221a
14a3960c6a9a
1557ae959777
hex315e1ad140

212032213312 has 28 divisors (see below), whose sum is σ = 445501509300. Its totient is φ = 99779864576.

The previous prime is 212032213301. The next prime is 212032213313. The reversal of 212032213312 is 213312230212.

It can be written as a sum of positive squares in 2 ways, for example, as 145600243776 + 66431969536 = 381576^2 + 257744^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212032213313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97440187 + ... + 97442362.

Almost surely, 2212032213312 is an apocalyptic number.

It is an amenable number.

212032213312 is an abundant number, since it is smaller than the sum of its proper divisors (233469295988).

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

212032213312 is a wasteful number, since it uses less digits than its factorization.

212032213312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194882578 (or 194882568 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 212032213312 its reverse (213312230212), we get a palindrome (425344443524).

The spelling of 212032213312 in words is "two hundred twelve billion, thirty-two million, two hundred thirteen thousand, three hundred twelve".

Divisors: 1 2 4 8 16 17 32 34 64 68 136 272 544 1088 194882549 389765098 779530196 1559060392 3118120784 3313003333 6236241568 6626006666 12472483136 13252013332 26504026664 53008053328 106016106656 212032213312