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3213120200 = 235216065601
BaseRepresentation
bin1011111110000100…
…0101001011001000
322021221001102021212
42333201011023020
523040024321300
61250500152252
7142424033243
oct27741051310
98257042255
103213120200
1113a97a4844
12758098688
133c28b3674
14226a4225a
1513c140935
hexbf8452c8

3213120200 has 24 divisors (see below), whose sum is σ = 7470504930. Its totient is φ = 1285248000.

The previous prime is 3213120143. The next prime is 3213120257. The reversal of 3213120200 is 20213123.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3213120143) and next prime (3213120257).

It can be written as a sum of positive squares in 3 ways, for example, as 3084025156 + 129095044 = 55534^2 + 11362^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8032601 + ... + 8033000.

Almost surely, 23213120200 is an apocalyptic number.

It is an amenable number.

3213120200 is an abundant number, since it is smaller than the sum of its proper divisors (4257384730).

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

3213120200 is a wasteful number, since it uses less digits than its factorization.

3213120200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16065617 (or 16065608 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 3213120200 is about 56684.3911495925. The cubic root of 3213120200 is about 1475.6238211634.

Adding to 3213120200 its reverse (20213123), we get a palindrome (3233333323).

The spelling of 3213120200 in words is "three billion, two hundred thirteen million, one hundred twenty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 16065601 32131202 64262404 80328005 128524808 160656010 321312020 401640025 642624040 803280050 1606560100 3213120200