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12003011245 = 517141211897
BaseRepresentation
bin10110010110110111…
…10110101010101101
31010222111210011000001
423023123312222231
5144040232324440
65303014104301
7603305624611
oct131333665255
933874704001
1012003011245
1150aa429005
1223ab94b091
13119397a324
1481c1a3341
154a3b67b9a
hex2cb6f6aad

12003011245 has 8 divisors (see below), whose sum is σ = 15250884984. Its totient is φ = 9037561344.

The previous prime is 12003011243. The next prime is 12003011269. The reversal of 12003011245 is 54211030021.

It can be written as a sum of positive squares in 4 ways, for example, as 4960948356 + 7042062889 = 70434^2 + 83917^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12003011245 - 21 = 12003011243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12003011243) 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, 70605864 + ... + 70606033.

It is an arithmetic number, because the mean of its divisors is an integer number (1906360623).

Almost surely, 212003011245 is an apocalyptic number.

It is an amenable number.

12003011245 is a deficient number, since it is larger than the sum of its proper divisors (3247873739).

12003011245 is a wasteful number, since it uses less digits than its factorization.

12003011245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141211919.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 12003011245 its reverse (54211030021), we get a palindrome (66214041266).

The spelling of 12003011245 in words is "twelve billion, three million, eleven thousand, two hundred forty-five".

Divisors: 1 5 17 85 141211897 706059485 2400602249 12003011245