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2012243252 = 221573204209
BaseRepresentation
bin111011111110000…
…0110010100110100
312012020101112210212
41313330012110310
513110113241002
6531401204552
7100602533255
oct16774062464
95166345725
102012243252
1194294a158
12481a90758
13260b72ca6
14151364b2c
15bb9d0352
hex77f06534

2012243252 has 12 divisors (see below), whose sum is σ = 3543856260. Its totient is φ = 999712896.

The previous prime is 2012243249. The next prime is 2012243293. The reversal of 2012243252 is 2523422102.

It can be written as a sum of positive squares in 2 ways, for example, as 689902756 + 1322340496 = 26266^2 + 36364^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1601477 + ... + 1602732.

It is an arithmetic number, because the mean of its divisors is an integer number (295321355).

Almost surely, 22012243252 is an apocalyptic number.

It is an amenable number.

2012243252 is a deficient number, since it is larger than the sum of its proper divisors (1531613008).

2012243252 is a wasteful number, since it uses less digits than its factorization.

2012243252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3204370 (or 3204368 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2012243252 is about 44858.0344197113. The cubic root of 2012243252 is about 1262.4867434088.

Adding to 2012243252 its reverse (2523422102), we get a palindrome (4535665354).

The spelling of 2012243252 in words is "two billion, twelve million, two hundred forty-three thousand, two hundred fifty-two".

Divisors: 1 2 4 157 314 628 3204209 6408418 12816836 503060813 1006121626 2012243252