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2220213996 = 22337112131867
BaseRepresentation
bin1000010001010101…
…1100011011101100
312201201201120001000
42010111130123230
514021333321441
61004150520300
7106006336050
oct20425343354
95651646030
102220213996
11a3a286700
1251b666090
13294c8b2c0
14170c1dc60
15cedb12b6
hex8455c6ec

2220213996 has 288 divisors, whose sum is σ = 7791203840. Its totient is φ = 532033920.

The previous prime is 2220213953. The next prime is 2220214013. The reversal of 2220213996 is 6993120222.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2220213996.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1188255 + ... + 1190121.

Almost surely, 22220213996 is an apocalyptic number.

2220213996 is a gapful number since it is divisible by the number (26) 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 2220213996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3895601920).

2220213996 is an abundant number, since it is smaller than the sum of its proper divisors (5570989844).

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

2220213996 is a wasteful number, since it uses less digits than its factorization.

2220213996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1922 (or 1903 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 2220213996 is about 47119.1468089141. The cubic root of 2220213996 is about 1304.5626649233.

The spelling of 2220213996 in words is "two billion, two hundred twenty million, two hundred thirteen thousand, nine hundred ninety-six".