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2303120213 = 16771919181
BaseRepresentation
bin1000100101000110…
…1101001101010101
312221111201121222122
42021101231031111
514204044321323
61020311505325
7111034125122
oct21121551525
95844647878
102303120213
11a82062339
12543388245
132a91c8434
1417bc41749
15d72daec8
hex8946d355

2303120213 has 8 divisors (see below), whose sum is σ = 2320254720. Its totient is φ = 2286025840.

The previous prime is 2303120161. The next prime is 2303120227. The reversal of 2303120213 is 3120213032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2303120213 - 218 = 2302858069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2303120191 and 2303120200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2303125213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110483 + ... + 129663.

It is an arithmetic number, because the mean of its divisors is an integer number (290031840).

Almost surely, 22303120213 is an apocalyptic number.

It is an amenable number.

2303120213 is a deficient number, since it is larger than the sum of its proper divisors (17134507).

2303120213 is a wasteful number, since it uses less digits than its factorization.

2303120213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20067.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2303120213 is about 47990.8346770506. The cubic root of 2303120213 is about 1320.6027651536.

Adding to 2303120213 its reverse (3120213032), we get a palindrome (5423333245).

The spelling of 2303120213 in words is "two billion, three hundred three million, one hundred twenty thousand, two hundred thirteen".

Divisors: 1 167 719 19181 120073 3203227 13791139 2303120213