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12152187835 = 52430437567
BaseRepresentation
bin10110101000101001…
…11010101110111011
31011100220111002210221
423110110322232323
5144341430002320
65325503320511
7610066615024
oct132424725673
934326432727
1012152187835
115176658647
1224318b0137
1311b884b4b8
14833d15c4b
154b1cd33aa
hex2d453abbb

12152187835 has 4 divisors (see below), whose sum is σ = 14582625408. Its totient is φ = 9721750264.

The previous prime is 12152187799. The next prime is 12152187851. The reversal of 12152187835 is 53878125121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53878125121 = 135673971263.

It is a cyclic number.

It is not a de Polignac number, because 12152187835 - 29 = 12152187323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12152187791 and 12152187800.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1215218779 + ... + 1215218788.

It is an arithmetic number, because the mean of its divisors is an integer number (3645656352).

Almost surely, 212152187835 is an apocalyptic number.

12152187835 is a deficient number, since it is larger than the sum of its proper divisors (2430437573).

12152187835 is an equidigital number, since it uses as much as digits as its factorization.

12152187835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2430437572.

The product of its digits is 134400, while the sum is 43.

The spelling of 12152187835 in words is "twelve billion, one hundred fifty-two million, one hundred eighty-seven thousand, eight hundred thirty-five".

Divisors: 1 5 2430437567 12152187835