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2220331553 = 11296960287
BaseRepresentation
bin1000010001010111…
…1001001000100001
312201201221112021222
42010111321020201
514021401102203
61004153224425
7106010335556
oct20425711041
95651845258
102220331553
11a3a356a60
1251b702115
13294ccc96b
14170c50a2d
15cedd6038
hex84579221

2220331553 has 8 divisors (see below), whose sum is σ = 2505703680. Its totient is φ = 1948880080.

The previous prime is 2220331541. The next prime is 2220331567. The reversal of 2220331553 is 3551330222.

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 2220331553 - 24 = 2220331537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2220331513) 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, 3479825 + ... + 3480462.

It is an arithmetic number, because the mean of its divisors is an integer number (313212960).

Almost surely, 22220331553 is an apocalyptic number.

It is an amenable number.

2220331553 is a deficient number, since it is larger than the sum of its proper divisors (285372127).

2220331553 is a wasteful number, since it uses less digits than its factorization.

2220331553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6960327.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 2220331553 is about 47120.3942364662. The cubic root of 2220331553 is about 1304.5856893955.

Adding to 2220331553 its reverse (3551330222), we get a palindrome (5771661775).

The spelling of 2220331553 in words is "two billion, two hundred twenty million, three hundred thirty-one thousand, five hundred fifty-three".

Divisors: 1 11 29 319 6960287 76563157 201848323 2220331553