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12234013240 = 235305850331
BaseRepresentation
bin10110110010011010…
…00011101000111000
31011120121110021011111
423121031003220320
5200023401410430
65341545210104
7612112253041
oct133115035070
934517407144
1012234013240
115208866249
122455190934
1311cc79a6b7
14840b358c8
154b9097c2a
hex2d9343a38

12234013240 has 16 divisors (see below), whose sum is σ = 27526529880. Its totient is φ = 4893605280.

The previous prime is 12234013219. The next prime is 12234013241. The reversal of 12234013240 is 4231043221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12234013241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152925126 + ... + 152925205.

Almost surely, 212234013240 is an apocalyptic number.

12234013240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12234013240 is an abundant number, since it is smaller than the sum of its proper divisors (15292516640).

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

12234013240 is a wasteful number, since it uses less digits than its factorization.

12234013240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305850342 (or 305850338 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12234013240 its reverse (4231043221), we get a palindrome (16465056461).

The spelling of 12234013240 in words is "twelve billion, two hundred thirty-four million, thirteen thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 305850331 611700662 1223401324 1529251655 2446802648 3058503310 6117006620 12234013240