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2216156488 = 237132234167
BaseRepresentation
bin1000010000010111…
…1101110101001000
312201110002102011221
42010011331311020
514014314001423
61003523531424
7105630006430
oct20405756510
95643072157
102216156488
11a37a65197
1251a229b74
1329419a500
141704852c0
15ce85de5d
hex8417dd48

2216156488 has 48 divisors (see below), whose sum is σ = 5142329280. Its totient is φ = 876717504.

The previous prime is 2216156461. The next prime is 2216156491. The reversal of 2216156488 is 8846516122.

It is a super-2 number, since 2×22161564882 = 9822699158608988288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107620 + ... + 126547.

It is an arithmetic number, because the mean of its divisors is an integer number (107131860).

Almost surely, 22216156488 is an apocalyptic number.

2216156488 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2216156488 is an abundant number, since it is smaller than the sum of its proper divisors (2926172792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2216156488 is a wasteful number, since it uses less digits than its factorization.

2216156488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234206 (or 234189 counting only the distinct ones).

The product of its digits is 184320, while the sum is 43.

The square root of 2216156488 is about 47076.0712889255. The cubic root of 2216156488 is about 1303.7674711153.

The spelling of 2216156488 in words is "two billion, two hundred sixteen million, one hundred fifty-six thousand, four hundred eighty-eight".

Divisors: 1 2 4 7 8 13 14 26 28 52 56 91 104 169 182 338 364 676 728 1183 1352 2366 4732 9464 234167 468334 936668 1639169 1873336 3044171 3278338 6088342 6556676 12176684 13113352 21309197 24353368 39574223 42618394 79148446 85236788 158296892 170473576 277019561 316593784 554039122 1108078244 2216156488