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12302300401 = 24774966613
BaseRepresentation
bin10110111010100011…
…00011010011110001
31011202100221121112121
423131101203103301
5200143342103101
65352424554241
7613601554006
oct133521432361
934670847477
1012302300401
115243367416
122474022981
1312109896c1
14849c2d8ad
154c00860a1
hex2dd4634f1

12302300401 has 4 divisors (see below), whose sum is σ = 12307269492. Its totient is φ = 12297331312.

The previous prime is 12302300371. The next prime is 12302300419. The reversal of 12302300401 is 10400320321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10400320321 = 20874983383.

It can be written as a sum of positive squares in 2 ways, for example, as 9585389025 + 2716911376 = 97905^2 + 52124^2 .

It is a cyclic number.

It is not a de Polignac number, because 12302300401 - 27 = 12302300273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12305300401) 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, 2480830 + ... + 2485783.

It is an arithmetic number, because the mean of its divisors is an integer number (3076817373).

Almost surely, 212302300401 is an apocalyptic number.

It is an amenable number.

12302300401 is a deficient number, since it is larger than the sum of its proper divisors (4969091).

12302300401 is an equidigital number, since it uses as much as digits as its factorization.

12302300401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4969090.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12302300401 its reverse (10400320321), we get a palindrome (22702620722).

The spelling of 12302300401 in words is "twelve billion, three hundred two million, three hundred thousand, four hundred one".

Divisors: 1 2477 4966613 12302300401