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2213253512 = 23166332
BaseRepresentation
bin1000001111101011…
…1001000110001000
312201020121221001022
42003322321012020
514013043103022
61003341412012
7105563226101
oct20372710610
95636557038
102213253512
11a36362138
1251926a008
132936c2082
1416dd2b3a8
15ce488c42
hex83eb9188

2213253512 has 12 divisors (see below), whose sum is σ = 4150099845. Its totient is φ = 1106560224.

The previous prime is 2213253491. The next prime is 2213253527. The reversal of 2213253512 is 2153523122.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 1878875716 + 334377796 = 43346^2 + 18286^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=33266.

It is a super-2 number, since 2×22132535122 = 9796982216760668288, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 124748 + ... + 141380.

Almost surely, 22213253512 is an apocalyptic number.

It is an amenable number.

2213253512 is a deficient number, since it is larger than the sum of its proper divisors (1936846333).

2213253512 is an frugal number, since it uses more digits than its factorization.

2213253512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33272 (or 16635 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 2213253512 is about 47045.2283659034. The cubic root of 2213253512 is about 1303.1979476342.

Adding to 2213253512 its reverse (2153523122), we get a palindrome (4366776634).

The spelling of 2213253512 in words is "two billion, two hundred thirteen million, two hundred fifty-three thousand, five hundred twelve".

Divisors: 1 2 4 8 16633 33266 66532 133064 276656689 553313378 1106626756 2213253512