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2220706071 = 33372222929
BaseRepresentation
bin1000010001011101…
…0100100100010111
312201202122120001000
42010113110210113
514022000043241
61004205234343
7106013455503
oct20427244427
95652576030
102220706071
11a3a592381
1251b8629b3
1329510127c
14170d0b303
15cee5beb6
hex845d4917

2220706071 has 16 divisors (see below), whose sum is σ = 3378853600. Its totient is φ = 1440457344.

The previous prime is 2220706031. The next prime is 2220706091. The reversal of 2220706071 is 1706070222.

It is not a de Polignac number, because 2220706071 - 215 = 2220673303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220706031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1110466 + ... + 1112463.

It is an arithmetic number, because the mean of its divisors is an integer number (211178350).

Almost surely, 22220706071 is an apocalyptic number.

2220706071 is a deficient number, since it is larger than the sum of its proper divisors (1158147529).

2220706071 is a wasteful number, since it uses less digits than its factorization.

2220706071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222975 (or 2222969 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 2220706071 is about 47124.3681230847. The cubic root of 2220706071 is about 1304.6590363024.

Adding to 2220706071 its reverse (1706070222), we get a palindrome (3926776293).

The spelling of 2220706071 in words is "two billion, two hundred twenty million, seven hundred six thousand, seventy-one".

Divisors: 1 3 9 27 37 111 333 999 2222929 6668787 20006361 60019083 82248373 246745119 740235357 2220706071