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12420070109786 = 2101135119455047
BaseRepresentation
bin1011010010111100010111…
…0111011111001001011010
31121222100101001002200120202
42310233011313133021122
53111442300422003121
642225411302222202
72421214626022103
oct264570567371132
947870331080522
1012420070109786
113a5935a871799
121487114424962
136c12910b2321
1430d1c54b73aa
1516811b7d340b
hexb4bc5ddf25a

12420070109786 has 16 divisors (see below), whose sum is σ = 18814742242560. Its totient is φ = 6148490542800.

The previous prime is 12420070109771. The next prime is 12420070109789. The reversal of 12420070109786 is 68790107002421.

It is a self number, because there is not a number n which added to its sum of digits gives 12420070109786.

It is not an unprimeable number, because it can be changed into a prime (12420070109789) 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, 27066515 + ... + 27521561.

It is an arithmetic number, because the mean of its divisors is an integer number (1175921390160).

Almost surely, 212420070109786 is an apocalyptic number.

12420070109786 is a deficient number, since it is larger than the sum of its proper divisors (6394672132774).

12420070109786 is a wasteful number, since it uses less digits than its factorization.

12420070109786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590269.

The product of its (nonzero) digits is 338688, while the sum is 47.

The spelling of 12420070109786 in words is "twelve trillion, four hundred twenty billion, seventy million, one hundred nine thousand, seven hundred eighty-six".

Divisors: 1 2 101 202 135119 270238 455047 910094 13647019 27294038 45959747 91919494 61485495593 122970991186 6210035054893 12420070109786