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2212173464 = 23379777047
BaseRepresentation
bin1000001111011011…
…0001011010011000
312201011121001111112
42003312301122120
514012304022324
61003302315452
7105551110214
oct20366613230
95634531445
102212173464
11a35794736
12518a28b88
132934045a7
1416db29944
15ce323c0e
hex83db1698

2212173464 has 32 divisors (see below), whose sum is σ = 4303901280. Its totient is φ = 1065083904.

The previous prime is 2212173461. The next prime is 2212173473. The reversal of 2212173464 is 4643712122.

It is a super-2 number, since 2×22121734642 = 9787422869651518592, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2212173464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212173461) 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, 9812 + ... + 67235.

It is an arithmetic number, because the mean of its divisors is an integer number (134496915).

Almost surely, 22212173464 is an apocalyptic number.

It is an amenable number.

2212173464 is a deficient number, since it is larger than the sum of its proper divisors (2091727816).

2212173464 is a wasteful number, since it uses less digits than its factorization.

2212173464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77187 (or 77183 counting only the distinct ones).

The product of its digits is 16128, while the sum is 32.

The square root of 2212173464 is about 47033.7481389693. The cubic root of 2212173464 is about 1302.9859301461.

Adding to 2212173464 its reverse (4643712122), we get a palindrome (6855885586).

The spelling of 2212173464 in words is "two billion, two hundred twelve million, one hundred seventy-three thousand, four hundred sixty-four".

Divisors: 1 2 4 8 37 74 97 148 194 296 388 776 3589 7178 14356 28712 77047 154094 308188 616376 2850739 5701478 7473559 11402956 14947118 22805912 29894236 59788472 276521683 553043366 1106086732 2212173464