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221202331132 = 2279700007377
BaseRepresentation
bin1100111000000010101…
…1111011010111111100
3210010221222012200222211
43032000223323113330
512111010244044012
6245341405350204
721660412535326
oct3160053732774
9703858180884
10221202331132
11858a1a49412
1236a54268364
1317b22b26343
14a9c5d42616
155b49a3b6a7
hex3380afb5fc

221202331132 has 12 divisors (see below), whose sum is σ = 392004131680. Its totient is φ = 109201150656.

The previous prime is 221202331123. The next prime is 221202331193. The reversal of 221202331132 is 231133202122.

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, 350003373 + ... + 350004004.

Almost surely, 2221202331132 is an apocalyptic number.

It is an amenable number.

221202331132 is a deficient number, since it is larger than the sum of its proper divisors (170801800548).

221202331132 is a wasteful number, since it uses less digits than its factorization.

221202331132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700007460 (or 700007458 counting only the distinct ones).

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

Adding to 221202331132 its reverse (231133202122), we get a palindrome (452335533254).

The spelling of 221202331132 in words is "two hundred twenty-one billion, two hundred two million, three hundred thirty-one thousand, one hundred thirty-two".

Divisors: 1 2 4 79 158 316 700007377 1400014754 2800029508 55300582783 110601165566 221202331132