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2051431300 = 2252199103087
BaseRepresentation
bin111101001000110…
…0101101110000100
312021222010111201001
41322101211232010
513200131300200
6535321143044
7101556610162
oct17221455604
95258114631
102051431300
11962a85776
1249302aa84
13269014099
14156646232
15c017176a
hex7a465b84

2051431300 has 36 divisors (see below), whose sum is σ = 4474019200. Its totient is φ = 816441120.

The previous prime is 2051431289. The next prime is 2051431321. The reversal of 2051431300 is 31341502.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31644 + ... + 71443.

Almost surely, 22051431300 is an apocalyptic number.

2051431300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2051431300 is an abundant number, since it is smaller than the sum of its proper divisors (2422587900).

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

2051431300 is a wasteful number, since it uses less digits than its factorization.

2051431300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103300 (or 103293 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 2051431300 is about 45292.7289970476. The cubic root of 2051431300 is about 1270.6296710150.

Adding to 2051431300 its reverse (31341502), we get a palindrome (2082772802).

The spelling of 2051431300 in words is "two billion, fifty-one million, four hundred thirty-one thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 199 398 796 995 1990 3980 4975 9950 19900 103087 206174 412348 515435 1030870 2061740 2577175 5154350 10308700 20514313 41028626 82057252 102571565 205143130 410286260 512857825 1025715650 2051431300