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2203889688 = 23337111310193
BaseRepresentation
bin1000001101011100…
…1011000000011000
312200121000012022000
42003113023000120
514003143432223
61002405001000
7105420516240
oct20327130030
95617005260
102203889688
11a31046a40
125160b3160
13291793c50
1416c9b0b20
15cd739543
hex835cb018

2203889688 has 256 divisors, whose sum is σ = 8220441600. Its totient is φ = 528353280.

The previous prime is 2203889671. The next prime is 2203889689. The reversal of 2203889688 is 8869883022.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2203889689) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 211120 + ... + 221312.

It is an arithmetic number, because the mean of its divisors is an integer number (32111100).

Almost surely, 22203889688 is an apocalyptic number.

2203889688 is a gapful number since it is divisible by the number (28) 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 2203889688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4110220800).

2203889688 is an abundant number, since it is smaller than the sum of its proper divisors (6016551912).

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

2203889688 is a wasteful number, since it uses less digits than its factorization.

2203889688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10239 (or 10229 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 54.

The square root of 2203889688 is about 46945.6035002214. The cubic root of 2203889688 is about 1301.3574947947.

The spelling of 2203889688 in words is "two billion, two hundred three million, eight hundred eighty-nine thousand, six hundred eighty-eight".