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2213064761 = 23622115467
BaseRepresentation
bin1000001111101000…
…1011000000111001
312201020021100010112
42003322023000321
514013021033021
61003333354105
7105561511565
oct20372130071
95636240115
102213064761
11a36243346
12519198935
1329365719b
1416dcbc6a5
15ce44cd5b
hex83e8b039

2213064761 has 8 divisors (see below), whose sum is σ = 2309805504. Its totient is φ = 2116367440.

The previous prime is 2213064719. The next prime is 2213064769. The reversal of 2213064761 is 1674603122.

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 2213064761 - 230 = 1139322937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2213064769) 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, 135350 + ... + 150816.

It is an arithmetic number, because the mean of its divisors is an integer number (288725688).

Almost surely, 22213064761 is an apocalyptic number.

It is an amenable number.

2213064761 is a deficient number, since it is larger than the sum of its proper divisors (96740743).

2213064761 is a wasteful number, since it uses less digits than its factorization.

2213064761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21711.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 2213064761 is about 47043.2222642115. Note that the first 4 decimals coincide. The cubic root of 2213064761 is about 1303.1609000770.

Adding to 2213064761 its reverse (1674603122), we get a palindrome (3887667883).

The spelling of 2213064761 in words is "two billion, two hundred thirteen million, sixty-four thousand, seven hundred sixty-one".

Divisors: 1 23 6221 15467 143083 355741 96220207 2213064761