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2213580068 = 22779056431
BaseRepresentation
bin1000001111110000…
…1000110100100100
312201021020111222222
42003330020310210
514013134030233
61003352411512
7105566056130
oct20374106444
95637214888
102213580068
11a36565517
125193a6b98
132937a78bb
1416ddb43c0
15ce500898
hex83f08d24

2213580068 has 12 divisors (see below), whose sum is σ = 4427160192. Its totient is φ = 948677160.

The previous prime is 2213580041. The next prime is 2213580073. The reversal of 2213580068 is 8600853122.

2213580068 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 39528188 + ... + 39528243.

It is an arithmetic number, because the mean of its divisors is an integer number (368930016).

Almost surely, 22213580068 is an apocalyptic number.

2213580068 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2213580068 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2213580068 is a wasteful number, since it uses less digits than its factorization.

2213580068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79056442 (or 79056440 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 2213580068 is about 47048.6988980567. The cubic root of 2213580068 is about 1303.2620382258.

The spelling of 2213580068 in words is "two billion, two hundred thirteen million, five hundred eighty thousand, sixty-eight".

Divisors: 1 2 4 7 14 28 79056431 158112862 316225724 553395017 1106790034 2213580068