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12032311053 = 37572967193
BaseRepresentation
bin10110011010010111…
…00111111100001101
31011001112220201210010
423031023213330031
5144120232423203
65305542103433
7604112646030
oct131513477415
934045821703
1012032311053
115114a20424
1223b971ab79
131199a686a9
1482202d017
154a6504303
hex2cd2e7f0d

12032311053 has 8 divisors (see below), whose sum is σ = 18334950208. Its totient is φ = 6875606304.

The previous prime is 12032311043. The next prime is 12032311121. The reversal of 12032311053 is 35011323021.

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

It is not a de Polignac number, because 12032311053 - 25 = 12032311021 is a prime.

It is a super-2 number, since 2×120323110532 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 572967193 = 12032311053 / (1 + 2 + 0 + 3 + 2 + 3 + 1 + 1 + 0 + 5 + 3).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12032311003) 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, 286483576 + ... + 286483617.

It is an arithmetic number, because the mean of its divisors is an integer number (2291868776).

Almost surely, 212032311053 is an apocalyptic number.

It is an amenable number.

12032311053 is a deficient number, since it is larger than the sum of its proper divisors (6302639155).

12032311053 is an equidigital number, since it uses as much as digits as its factorization.

12032311053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572967203.

The product of its (nonzero) digits is 540, while the sum is 21.

Adding to 12032311053 its reverse (35011323021), we get a palindrome (47043634074).

The spelling of 12032311053 in words is "twelve billion, thirty-two million, three hundred eleven thousand, fifty-three".

Divisors: 1 3 7 21 572967193 1718901579 4010770351 12032311053