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1302114221 = 1747745343
BaseRepresentation
bin100110110011100…
…1010111110101101
310100202011020220122
41031213022332231
510131320123341
6333112454325
744160534242
oct11547127655
93322136818
101302114221
11609011761
123040aa3a5
131799c83b5
14c4d115c9
15794ab94b
hex4d9cafad

1302114221 has 4 divisors (see below), whose sum is σ = 1302861312. Its totient is φ = 1301367132.

The previous prime is 1302114217. The next prime is 1302114257. The reversal of 1302114221 is 1224112031.

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 1302114221 - 22 = 1302114217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1302114221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302114211) 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, 370925 + ... + 374418.

It is an arithmetic number, because the mean of its divisors is an integer number (325715328).

Almost surely, 21302114221 is an apocalyptic number.

It is an amenable number.

1302114221 is a deficient number, since it is larger than the sum of its proper divisors (747091).

1302114221 is an equidigital number, since it uses as much as digits as its factorization.

1302114221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747090.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1302114221 is about 36084.8198138774. The cubic root of 1302114221 is about 1091.9842153680.

Adding to 1302114221 its reverse (1224112031), we get a palindrome (2526226252).

The spelling of 1302114221 in words is "one billion, three hundred two million, one hundred fourteen thousand, two hundred twenty-one".

Divisors: 1 1747 745343 1302114221