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2216007620 = 225196199421
BaseRepresentation
bin1000010000010101…
…1001011111000100
312201102210211222022
42010011121133010
514014244220440
61003520422312
7105625516421
oct20405313704
95642724868
102216007620
11a37973362
1251a177998
13294147818
14170446d48
15ce82ecb5
hex841597c4

2216007620 has 48 divisors (see below), whose sum is σ = 4906977600. Its totient is φ = 838304640.

The previous prime is 2216007617. The next prime is 2216007643. The reversal of 2216007620 is 267006122.

It is a self number, because there is not a number n which added to its sum of digits gives 2216007620.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230510 + ... + 239930.

It is an arithmetic number, because the mean of its divisors is an integer number (102228700).

Almost surely, 22216007620 is an apocalyptic number.

2216007620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2216007620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2453488800).

2216007620 is an abundant number, since it is smaller than the sum of its proper divisors (2690969980).

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

2216007620 is a wasteful number, since it uses less digits than its factorization.

2216007620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10068 (or 10066 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 2216007620 is about 47074.4901193842. The cubic root of 2216007620 is about 1303.7382773884.

The spelling of 2216007620 in words is "two billion, two hundred sixteen million, seven thousand, six hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 619 1238 2476 3095 6190 9421 11761 12380 18842 23522 37684 47044 47105 58805 94210 117610 178999 188420 235220 357998 715996 894995 1789990 3579980 5831599 11663198 23326396 29157995 58315990 110800381 116631980 221600762 443201524 554001905 1108003810 2216007620