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12350978053 = 28463433931
BaseRepresentation
bin10111000000010110…
…01111100000000101
31011212202112200201121
423200023033200011
5200243322244203
65401324153541
7615032403241
oct134013174005
934782480647
1012350978053
115268894687
1224883988b1
13121aaa0c4b
148524a1421
154c449e0bd
hex2e02cf805

12350978053 has 4 divisors (see below), whose sum is σ = 12351440448. Its totient is φ = 12350515660.

The previous prime is 12350977999. The next prime is 12350978077. The reversal of 12350978053 is 35087905321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12350978053 - 213 = 12350969861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12350978153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188503 + ... + 245428.

It is an arithmetic number, because the mean of its divisors is an integer number (3087860112).

Almost surely, 212350978053 is an apocalyptic number.

It is an amenable number.

12350978053 is a deficient number, since it is larger than the sum of its proper divisors (462395).

12350978053 is an equidigital number, since it uses as much as digits as its factorization.

12350978053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462394.

The product of its (nonzero) digits is 226800, while the sum is 43.

The spelling of 12350978053 in words is "twelve billion, three hundred fifty million, nine hundred seventy-eight thousand, fifty-three".

Divisors: 1 28463 433931 12350978053