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212003223132 = 223211823101737
BaseRepresentation
bin1100010101110001100…
…0000111011001011100
3202021012212110121011010
43011130120013121130
511433140311120012
6241220512455220
721213431443431
oct3053430073134
9667185417133
10212003223132
1181a01324418
123510754a510
1316cb8041a7c
14a3922dbb88
1557ac12ec3c
hex315c60765c

212003223132 has 48 divisors (see below), whose sum is σ = 497627416832. Its totient is φ = 70246673280.

The previous prime is 212003223083. The next prime is 212003223139. The reversal of 212003223132 is 231322300212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 212003223099 and 212003223108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212003223139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2032968 + ... + 2134704.

Almost surely, 2212003223132 is an apocalyptic number.

It is an amenable number.

212003223132 is an abundant number, since it is smaller than the sum of its proper divisors (285624193700).

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

212003223132 is a wasteful number, since it uses less digits than its factorization.

212003223132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102778 (or 102776 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 212003223132 its reverse (231322300212), we get a palindrome (443325523344).

The spelling of 212003223132 in words is "two hundred twelve billion, three million, two hundred twenty-three thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 211 422 633 823 844 1266 1646 2469 2532 3292 4938 9876 101737 173653 203474 305211 347306 406948 520959 610422 694612 1041918 1220844 2083836 21466507 42933014 64399521 83729551 85866028 128799042 167459102 251188653 257598084 334918204 502377306 1004754612 17666935261 35333870522 53000805783 70667741044 106001611566 212003223132