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2220118992 = 24327131937241
BaseRepresentation
bin1000010001010100…
…0101001111010000
312201201112201201100
42010111011033100
514021322301432
61004144504400
7106005462060
oct20425051720
95651481640
102220118992
11a3a221293
1251b61b100
13294c56ca0
14170bd73a0
15ced9307c
hex845453d0

2220118992 has 480 divisors, whose sum is σ = 8301413120. Its totient is φ = 537477120.

The previous prime is 2220118949. The next prime is 2220119009. The reversal of 2220118992 is 2998110222.

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

It is a congruent number.

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, 9211992 + ... + 9212232.

Almost surely, 22220118992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2220118992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4150706560).

2220118992 is an abundant number, since it is smaller than the sum of its proper divisors (6081294128).

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

2220118992 is a wasteful number, since it uses less digits than its factorization.

2220118992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331 (or 322 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 2220118992 is about 47118.1386729145. The cubic root of 2220118992 is about 1304.5440570414.

The spelling of 2220118992 in words is "two billion, two hundred twenty million, one hundred eighteen thousand, nine hundred ninety-two".