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2123201300 = 2252112383921
BaseRepresentation
bin111111010001101…
…0111101100010100
312110222011210122012
41332203113230110
513322014420200
6550403323352
7103420625153
oct17643275424
95428153565
102123201300
1199a545620
124b3080558
1327ab5243c
14161da959a
15c65eba35
hex7e8d7b14

2123201300 has 72 divisors (see below), whose sum is σ = 5244789312. Its totient is φ = 738496000.

The previous prime is 2123201287. The next prime is 2123201351. The reversal of 2123201300 is 31023212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16661 + ... + 67260.

It is an arithmetic number, because the mean of its divisors is an integer number (72844296).

Almost surely, 22123201300 is an apocalyptic number.

2123201300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123201300 is an abundant number, since it is smaller than the sum of its proper divisors (3121588012).

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

2123201300 is a wasteful number, since it uses less digits than its factorization.

2123201300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83969 (or 83962 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2123201300 is about 46078.2085155228. The cubic root of 2123201300 is about 1285.2779506436.

Adding to 2123201300 its reverse (31023212), we get a palindrome (2154224512).

The spelling of 2123201300 in words is "two billion, one hundred twenty-three million, two hundred one thousand, three hundred".

Divisors: 1 2 4 5 10 11 20 22 23 25 44 46 50 55 92 100 110 115 220 230 253 275 460 506 550 575 1012 1100 1150 1265 2300 2530 5060 6325 12650 25300 83921 167842 335684 419605 839210 923131 1678420 1846262 1930183 2098025 3692524 3860366 4196050 4615655 7720732 8392100 9231310 9650915 18462620 19301830 21232013 23078275 38603660 42464026 46156550 48254575 84928052 92313100 96509150 106160065 193018300 212320130 424640260 530800325 1061600650 2123201300