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12023601461 = 14098533429
BaseRepresentation
bin10110011001010100…
…11001100100110101
31011000221112020110122
423030222121210311
5144111020221321
65305031301325
7603645632444
oct131452314465
934027466418
1012023601461
115110011813
1223b681a845
1311980092a1
14820c02d5b
154a58838ab
hex2cca99935

12023601461 has 4 divisors (see below), whose sum is σ = 12032136300. Its totient is φ = 12015066624.

The previous prime is 12023601431. The next prime is 12023601479. The reversal of 12023601461 is 16410632021.

12023601461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16410632021 = 72344376003.

It can be written as a sum of positive squares in 2 ways, for example, as 1654048900 + 10369552561 = 40670^2 + 101831^2 .

It is a cyclic number.

It is not a de Polignac number, because 12023601461 - 230 = 10949859637 is a prime.

It is a super-2 number, since 2×120236014612 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12023601461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12023601431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4265306 + ... + 4268123.

It is an arithmetic number, because the mean of its divisors is an integer number (3008034075).

Almost surely, 212023601461 is an apocalyptic number.

It is an amenable number.

12023601461 is a deficient number, since it is larger than the sum of its proper divisors (8534839).

12023601461 is an equidigital number, since it uses as much as digits as its factorization.

12023601461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8534838.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 12023601461 in words is "twelve billion, twenty-three million, six hundred one thousand, four hundred sixty-one".

Divisors: 1 1409 8533429 12023601461