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2301220309 = 79132122051
BaseRepresentation
bin1000100100101001…
…1101010111010101
312221101011002210211
42021022131113111
514203103022214
61020203045421
7111012023053
oct21112352725
95841132724
102301220309
11a80a84973
12542810871
132a89b172b
1417b8a91d3
15d70630c4
hex8929d5d5

2301220309 has 8 divisors (see below), whose sum is σ = 2332219520. Its totient is φ = 2270268000.

The previous prime is 2301220231. The next prime is 2301220319. The reversal of 2301220309 is 9030221032.

2301220309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2301220309 - 229 = 1764349397 is a prime.

It is a super-2 number, since 2×23012203092 = 10591229821108110962, which contains 22 as substring.

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 2301220309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2301220319) 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, 93334 + ... + 115384.

It is an arithmetic number, because the mean of its divisors is an integer number (291527440).

Almost surely, 22301220309 is an apocalyptic number.

It is an amenable number.

2301220309 is a deficient number, since it is larger than the sum of its proper divisors (30999211).

2301220309 is a wasteful number, since it uses less digits than its factorization.

2301220309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23451.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 2301220309 is about 47971.0361468251. The cubic root of 2301220309 is about 1320.2395320208.

The spelling of 2301220309 in words is "two billion, three hundred one million, two hundred twenty thousand, three hundred nine".

Divisors: 1 79 1321 22051 104359 1742029 29129371 2301220309