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12045055345 = 57930493811
BaseRepresentation
bin10110011011111000…
…01111010101110001
31011002102220012122221
423031330033111301
5144132013232340
65311115201041
7604326165301
oct131574172561
934072805587
1012045055345
1151211353a4
122401a46181
13119c5ab3ab
148239c9601
154a76c044a
hex2cdf0f571

12045055345 has 8 divisors (see below), whose sum is σ = 14637029760. Its totient is φ = 9514068720.

The previous prime is 12045055333. The next prime is 12045055349. The reversal of 12045055345 is 54355054021.

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

It is not a de Polignac number, because 12045055345 - 225 = 12011500913 is a prime.

It is a super-2 number, since 2×120450553452 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12045055345.

It is not an unprimeable number, because it can be changed into a prime (12045055349) 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, 15246511 + ... + 15247300.

It is an arithmetic number, because the mean of its divisors is an integer number (1829628720).

Almost surely, 212045055345 is an apocalyptic number.

It is an amenable number.

12045055345 is a deficient number, since it is larger than the sum of its proper divisors (2591974415).

12045055345 is an equidigital number, since it uses as much as digits as its factorization.

12045055345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30493895.

The product of its (nonzero) digits is 60000, while the sum is 34.

The spelling of 12045055345 in words is "twelve billion, forty-five million, fifty-five thousand, three hundred forty-five".

Divisors: 1 5 79 395 30493811 152469055 2409011069 12045055345