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2105292384 = 253413431453
BaseRepresentation
bin111110101111100…
…0011011001100000
312102201110221020000
41331133003121200
513302423324014
6544523420000
7103112455446
oct17537033140
95381427200
102105292384
11990423368
124a9084600
13277221a50
1415d866b96
15c4c60509
hex7d7c3660

2105292384 has 240 divisors, whose sum is σ = 6827646672. Its totient is φ = 632282112.

The previous prime is 2105292383. The next prime is 2105292391. The reversal of 2105292384 is 4832925012.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105292383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1448202 + ... + 1449654.

Almost surely, 22105292384 is an apocalyptic number.

2105292384 is a gapful number since it is divisible by the number (24) 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 2105292384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3413823336).

2105292384 is an abundant number, since it is smaller than the sum of its proper divisors (4722354288).

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

2105292384 is a wasteful number, since it uses less digits than its factorization.

2105292384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531 (or 1514 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 2105292384 is about 45883.4652571054. The cubic root of 2105292384 is about 1281.6540270958.

The spelling of 2105292384 in words is "two billion, one hundred five million, two hundred ninety-two thousand, three hundred eighty-four".