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2220032155 = 511191233907
BaseRepresentation
bin1000010001010011…
…0000000010011011
312201201101022121011
42010110300002123
514021312012110
61004142554351
7106004650645
oct20424600233
95651338534
102220032155
11a3a172020
1251b5989b7
13294c265c3
14170bb3895
15ced7748a
hex8453009b

2220032155 has 32 divisors (see below), whose sum is σ = 2937212928. Its totient is φ = 1597459200.

The previous prime is 2220032149. The next prime is 2220032161. The reversal of 2220032155 is 5512300222.

It is an interprime number because it is at equal distance from previous prime (2220032149) and next prime (2220032161).

It is not a de Polignac number, because 2220032155 - 211 = 2220030107 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2447212 + ... + 2448118.

It is an arithmetic number, because the mean of its divisors is an integer number (91787904).

Almost surely, 22220032155 is an apocalyptic number.

2220032155 is a deficient number, since it is larger than the sum of its proper divisors (717180773).

2220032155 is a wasteful number, since it uses less digits than its factorization.

2220032155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2220032155 is about 47117.2171822573. The cubic root of 2220032155 is about 1304.5270483181.

Adding to 2220032155 its reverse (5512300222), we get a palindrome (7732332377).

The spelling of 2220032155 in words is "two billion, two hundred twenty million, thirty-two thousand, one hundred fifty-five".

Divisors: 1 5 11 55 191 233 907 955 1165 2101 2563 4535 9977 10505 12815 44503 49885 173237 211331 222515 489533 866185 1056655 1905607 2324641 2447665 9528035 11623205 40364221 201821105 444006431 2220032155