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12008684108085 = 357114368420077
BaseRepresentation
bin1010111010111111110101…
…0110011011100100110101
31120112000111211202111120020
42232233331112123210311
53033222241112424320
641312414024355353
72346412246504620
oct256577526334465
946460454674506
1012008684108085
11390a944127835
12141b444015b59
1369154c899792
142d731b084db7
1515c5904ee940
hexaebfd59b935

12008684108085 has 16 divisors (see below), whose sum is σ = 21958736654976. Its totient is φ = 5489684163648.

The previous prime is 12008684108081. The next prime is 12008684108087. The reversal of 12008684108085 is 58080148680021.

It is not a de Polignac number, because 12008684108085 - 22 = 12008684108081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12008684108081) 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, 57184209934 + ... + 57184210143.

It is an arithmetic number, because the mean of its divisors is an integer number (1372421040936).

Almost surely, 212008684108085 is an apocalyptic number.

12008684108085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12008684108085 is a deficient number, since it is larger than the sum of its proper divisors (9950052546891).

12008684108085 is a wasteful number, since it uses less digits than its factorization.

12008684108085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114368420092.

The product of its (nonzero) digits is 983040, while the sum is 51.

The spelling of 12008684108085 in words is "twelve trillion, eight billion, six hundred eighty-four million, one hundred eight thousand, eighty-five".

Divisors: 1 3 5 7 15 21 35 105 114368420077 343105260231 571842100385 800578940539 1715526301155 2401736821617 4002894702695 12008684108085