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12512513750005 = 512719704746063
BaseRepresentation
bin1011011000010100101111…
…1011111111001111110101
31122022011222121010011220101
42312011023323333033311
53120001112010000010
642340100334234101
72430666520011133
oct266051373771765
948264877104811
1012512513750005
113a945888a1955
1214a1013655931
136c9c0425c959
14313874b54753
1516a72c45673a
hexb614beff3f5

12512513750005 has 8 divisors (see below), whose sum is σ = 15133244977152. Its totient is φ = 9931192015248.

The previous prime is 12512513749999. The next prime is 12512513750027. The reversal of 12512513750005 is 50005731521521.

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 12512513750005 - 225 = 12512480195573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9852372397 + ... + 9852373666.

It is an arithmetic number, because the mean of its divisors is an integer number (1891655622144).

Almost surely, 212512513750005 is an apocalyptic number.

It is an amenable number.

12512513750005 is a deficient number, since it is larger than the sum of its proper divisors (2620731227147).

12512513750005 is a wasteful number, since it uses less digits than its factorization.

12512513750005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19704746195.

The product of its (nonzero) digits is 52500, while the sum is 37.

The spelling of 12512513750005 in words is "twelve trillion, five hundred twelve billion, five hundred thirteen million, seven hundred fifty thousand, five".

Divisors: 1 5 127 635 19704746063 98523730315 2502502750001 12512513750005