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12078144290359 = 79765926992619
BaseRepresentation
bin1010111111000010100101…
…1111111111111000110111
31120202122210122100100201201
42233300221133333320313
53040342014414242414
641404342313233331
72354421450351640
oct257605137777067
946678718310651
1012078144290359
113937348636854
1214309aa102847
13697c6c22a454
142da82a0dc6c7
1515e2a852e574
hexafc297ffe37

12078144290359 has 16 divisors (see below), whose sum is σ = 13967061292800. Its totient is φ = 10230418162944.

The previous prime is 12078144290347. The next prime is 12078144290363. The reversal of 12078144290359 is 95309244187021.

It is not a de Polignac number, because 12078144290359 - 237 = 11940705336887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12078144299359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13048849 + ... + 13943770.

It is an arithmetic number, because the mean of its divisors is an integer number (872941330800).

Almost surely, 212078144290359 is an apocalyptic number.

12078144290359 is a deficient number, since it is larger than the sum of its proper divisors (1888917002441).

12078144290359 is an equidigital number, since it uses as much as digits as its factorization.

12078144290359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26993382.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 12078144290359 in words is "twelve trillion, seventy-eight billion, one hundred forty-four million, two hundred ninety thousand, three hundred fifty-nine".

Divisors: 1 7 97 659 679 4613 63923 447461 26992619 188948333 2618284043 17788135921 18327988301 124516951447 1725449184337 12078144290359