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12652515530823 = 376012710020469
BaseRepresentation
bin1011100000011110010010…
…1100011001100001000111
31122210120100120011112110210
42320013210230121201013
53124244322433441243
642524252502250503
72444054062345260
oct270074454314107
948716316145423
1012652515530823
1140389a1191a43
121504185a26a33
1370a1862c638c
1431a5566c7967
1516e1c33ca933
hexb81e4b19847

12652515530823 has 16 divisors (see below), whose sum is σ = 19280346245120. Its totient is φ = 7229887907616.

The previous prime is 12652515530789. The next prime is 12652515530827. The reversal of 12652515530823 is 32803551525621.

It is not a de Polignac number, because 12652515530823 - 29 = 12652515530311 is a prime.

It is a super-2 number, since 2×126525155308232 (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12652515530827) 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, 3747568 + ... + 6272901.

It is an arithmetic number, because the mean of its divisors is an integer number (1205021640320).

Almost surely, 212652515530823 is an apocalyptic number.

12652515530823 is a deficient number, since it is larger than the sum of its proper divisors (6627830714297).

12652515530823 is a wasteful number, since it uses less digits than its factorization.

12652515530823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10080606.

The product of its (nonzero) digits is 2160000, while the sum is 48.

The spelling of 12652515530823 in words is "twelve trillion, six hundred fifty-two billion, five hundred fifteen million, five hundred thirty thousand, eight hundred twenty-three".

Divisors: 1 3 7 21 60127 180381 420889 1262667 10020469 30061407 70143283 210429849 602500739563 1807502218689 4217505176941 12652515530823