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2130202000 = 24531762653
BaseRepresentation
bin111111011111000…
…0100110110010000
312111110100110210101
41332332010312100
513330312431000
6551213342144
7103534263313
oct17676046620
95443313711
102130202000
119a3497323
124b5497954
1327c433a74
14162cac97a
15c7030e6a
hex7ef84d90

2130202000 has 80 divisors (see below), whose sum is σ = 5453905392. Its totient is φ = 801945600.

The previous prime is 2130201991. The next prime is 2130202031. The reversal of 2130202000 is 2020312.

It can be written as a sum of positive squares in 8 ways, for example, as 637461504 + 1492740496 = 25248^2 + 38636^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2674 + ... + 65326.

Almost surely, 22130202000 is an apocalyptic number.

2130202000 is a gapful number since it is divisible by the number (20) 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 2130202000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2726952696).

2130202000 is an abundant number, since it is smaller than the sum of its proper divisors (3323703392).

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

2130202000 is a wasteful number, since it uses less digits than its factorization.

2130202000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62693 (or 62677 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 2130202000 is about 46154.1114094942. Note that the first 3 decimals coincide. The cubic root of 2130202000 is about 1286.6890233288.

Adding to 2130202000 its reverse (2020312), we get a palindrome (2132222312).

The spelling of 2130202000 in words is "two billion, one hundred thirty million, two hundred two thousand".

Divisors: 1 2 4 5 8 10 16 17 20 25 34 40 50 68 80 85 100 125 136 170 200 250 272 340 400 425 500 680 850 1000 1360 1700 2000 2125 3400 4250 6800 8500 17000 34000 62653 125306 250612 313265 501224 626530 1002448 1065101 1253060 1566325 2130202 2506120 3132650 4260404 5012240 5325505 6265300 7831625 8520808 10651010 12530600 15663250 17041616 21302020 25061200 26627525 31326500 42604040 53255050 62653000 85208080 106510100 125306000 133137625 213020200 266275250 426040400 532550500 1065101000 2130202000