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12203532013 = 31537427591
BaseRepresentation
bin10110101110110001…
…10001111011101101
31011111111002122210011
423113120301323231
5144443101011023
65334540013221
7611262211351
oct132730617355
934444078704
1012203532013
1151a2637252
122446b31211
1311c638767a
1483aa7d461
154b657650d
hex2d7631eed

12203532013 has 8 divisors (see below), whose sum is σ = 12834878976. Its totient is φ = 11587040400.

The previous prime is 12203531987. The next prime is 12203532037. The reversal of 12203532013 is 31023530221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12203532013 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 (12203538013) 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, 3712153 + ... + 3715438.

It is an arithmetic number, because the mean of its divisors is an integer number (1604359872).

Almost surely, 212203532013 is an apocalyptic number.

It is an amenable number.

12203532013 is a deficient number, since it is larger than the sum of its proper divisors (631346963).

12203532013 is an equidigital number, since it uses as much as digits as its factorization.

12203532013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7427675.

The product of its (nonzero) digits is 1080, while the sum is 22.

The spelling of 12203532013 in words is "twelve billion, two hundred three million, five hundred thirty-two thousand, thirteen".

Divisors: 1 31 53 1643 7427591 230255321 393662323 12203532013