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12402010311 = 34134003437
BaseRepresentation
bin10111000110011011…
…11010100011000111
31012000022120101211020
423203031322203013
5200344403312221
65410350042223
7616222230315
oct134315724307
935008511736
1012402010311
11529467a9a9
1224a14a9373
13122852b152
148591870b5
154c8bceac6
hex2e337a8c7

12402010311 has 4 divisors (see below), whose sum is σ = 16536013752. Its totient is φ = 8268006872.

The previous prime is 12402010307. The next prime is 12402010321. The reversal of 12402010311 is 11301020421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12402010311 - 22 = 12402010307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12402010321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2067001716 + ... + 2067001721.

It is an arithmetic number, because the mean of its divisors is an integer number (4134003438).

Almost surely, 212402010311 is an apocalyptic number.

12402010311 is a deficient number, since it is larger than the sum of its proper divisors (4134003441).

12402010311 is an equidigital number, since it uses as much as digits as its factorization.

12402010311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4134003440.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12402010311 its reverse (11301020421), we get a palindrome (23703030732).

The spelling of 12402010311 in words is "twelve billion, four hundred two million, ten thousand, three hundred eleven".

Divisors: 1 3 4134003437 12402010311