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2105183312 = 24294537033
BaseRepresentation
bin111110101111010…
…1000110001010000
312102201021101121022
41331132220301100
513302411331222
6544521215012
7103111522451
oct17536506120
95381241538
102105183312
11990359421
124a9031468
132771b41cb
1415d839128
15c4c3d042
hex7d7a8c50

2105183312 has 20 divisors (see below), whose sum is σ = 4219441620. Its totient is φ = 1016295168.

The previous prime is 2105183281. The next prime is 2105183317. The reversal of 2105183312 is 2133815012.

It can be written as a sum of positive squares in 2 ways, for example, as 1748577856 + 356605456 = 41816^2 + 18884^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105183317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2268053 + ... + 2268980.

It is an arithmetic number, because the mean of its divisors is an integer number (210972081).

Almost surely, 22105183312 is an apocalyptic number.

It is an amenable number.

2105183312 is an abundant number, since it is smaller than the sum of its proper divisors (2114258308).

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

2105183312 is a wasteful number, since it uses less digits than its factorization.

2105183312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4537070 (or 4537064 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 2105183312 is about 45882.2766653966. The cubic root of 2105183312 is about 1281.6318931975.

Adding to 2105183312 its reverse (2133815012), we get a palindrome (4238998324).

The spelling of 2105183312 in words is "two billion, one hundred five million, one hundred eighty-three thousand, three hundred twelve".

Divisors: 1 2 4 8 16 29 58 116 232 464 4537033 9074066 18148132 36296264 72592528 131573957 263147914 526295828 1052591656 2105183312