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12045011455 = 53077846913
BaseRepresentation
bin10110011011111000…
…00100100111111111
31011002102210222110101
423031330010213333
5144132010331310
65311114221531
7604325623321
oct131574044777
934072728411
1012045011455
115121105424
122401a248a7
13119c594419
148239b7611
154a76b243a
hex2cdf049ff

12045011455 has 8 divisors (see below), whose sum is σ = 14501097072. Its totient is φ = 9604620288.

The previous prime is 12045011453. The next prime is 12045011509. The reversal of 12045011455 is 55411054021.

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 12045011455 - 21 = 12045011453 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 (12045011453) 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, 3921922 + ... + 3924991.

It is an arithmetic number, because the mean of its divisors is an integer number (1812637134).

Almost surely, 212045011455 is an apocalyptic number.

12045011455 is a deficient number, since it is larger than the sum of its proper divisors (2456085617).

12045011455 is an equidigital number, since it uses as much as digits as its factorization.

12045011455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7847225.

The product of its (nonzero) digits is 4000, while the sum is 28.

Adding to 12045011455 its reverse (55411054021), we get a palindrome (67456065476).

The spelling of 12045011455 in words is "twelve billion, forty-five million, eleven thousand, four hundred fifty-five".

Divisors: 1 5 307 1535 7846913 39234565 2409002291 12045011455