Search a number
-
+
2102062040 = 235134042427
BaseRepresentation
bin111110101001010…
…1110101111011000
312102111101211000122
41331102232233120
513301111441130
6544330252412
7103043142521
oct17522565730
95374354018
102102062040
11989617361
124a7b87108
132766605c0
1415d265848
15c48232e5
hex7d4aebd8

2102062040 has 32 divisors (see below), whose sum is σ = 5093459280. Its totient is φ = 776145792.

The previous prime is 2102062031. The next prime is 2102062049. The reversal of 2102062040 is 402602012.

It is an interprime number because it is at equal distance from previous prime (2102062031) and next prime (2102062049).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102062049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2020694 + ... + 2021733.

Almost surely, 22102062040 is an apocalyptic number.

2102062040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102062040 is an abundant number, since it is smaller than the sum of its proper divisors (2991397240).

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

2102062040 is a wasteful number, since it uses less digits than its factorization.

2102062040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4042451 (or 4042447 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2102062040 is about 45848.2501301849. The cubic root of 2102062040 is about 1280.9981715972.

Adding to 2102062040 its reverse (402602012), we get a palindrome (2504664052).

The spelling of 2102062040 in words is "two billion, one hundred two million, sixty-two thousand, forty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 4042427 8084854 16169708 20212135 32339416 40424270 52551551 80848540 105103102 161697080 210206204 262757755 420412408 525515510 1051031020 2102062040