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1212014341 = 8663139907
BaseRepresentation
bin100100000111101…
…1101111100000101
310010110121201010001
41020033131330011
54440233424331
6320133401301
742014644336
oct11017357405
93113551101
101212014341
1157217234a
12299a99231
1316413cb65
14b6d7a28d
1571610561
hex483ddf05

1212014341 has 4 divisors (see below), whose sum is σ = 1212162912. Its totient is φ = 1211865772.

The previous prime is 1212014327. The next prime is 1212014381. The reversal of 1212014341 is 1434102121.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1434102121 = 1975479059.

It is a cyclic number.

It is not a de Polignac number, because 1212014341 - 213 = 1212006149 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 (1212014311) 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, 61291 + ... + 78616.

It is an arithmetic number, because the mean of its divisors is an integer number (303040728).

Almost surely, 21212014341 is an apocalyptic number.

It is an amenable number.

1212014341 is a deficient number, since it is larger than the sum of its proper divisors (148571).

1212014341 is an equidigital number, since it uses as much as digits as its factorization.

1212014341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148570.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1212014341 is about 34813.9963376801. The cubic root of 1212014341 is about 1066.1932274714.

Adding to 1212014341 its reverse (1434102121), we get a palindrome (2646116462).

The spelling of 1212014341 in words is "one billion, two hundred twelve million, fourteen thousand, three hundred forty-one".

Divisors: 1 8663 139907 1212014341