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2102314340 = 225715016531
BaseRepresentation
bin111110101001110…
…1100010101100100
312102111212122010002
41331103230111210
513301143024330
6544335520432
7103045243220
oct17523542544
95374778102
102102314340
11989779975
124a8089118
1327671b3a9
1415d2cd780
15c4872e45
hex7d4ec564

2102314340 has 24 divisors (see below), whose sum is σ = 5045554752. Its totient is φ = 720793440.

The previous prime is 2102314327. The next prime is 2102314343. The reversal of 2102314340 is 434132012.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (2102314343) 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 7 ways as a sum of consecutive naturals, for example, 7508126 + ... + 7508405.

It is an arithmetic number, because the mean of its divisors is an integer number (210231448).

Almost surely, 22102314340 is an apocalyptic number.

2102314340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102314340 is an abundant number, since it is smaller than the sum of its proper divisors (2943240412).

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

2102314340 is a wasteful number, since it uses less digits than its factorization.

2102314340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15016547 (or 15016545 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2102314340 is about 45851.0015157793. The cubic root of 2102314340 is about 1281.0494201495.

Adding to 2102314340 its reverse (434132012), we get a palindrome (2536446352).

The spelling of 2102314340 in words is "two billion, one hundred two million, three hundred fourteen thousand, three hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 15016531 30033062 60066124 75082655 105115717 150165310 210231434 300330620 420462868 525578585 1051157170 2102314340