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2100154300 = 225249142773
BaseRepresentation
bin111110100101101…
…1100111110111100
312102100210220002121
41331023130332330
513300114414200
6544221332324
7103021005556
oct17513347674
95370726077
102100154300
11988534012
124a74070a4
1327614316a
1415ccca4d6
15c4597e1a
hex7d2dcfbc

2100154300 has 36 divisors (see below), whose sum is σ = 4566723336. Its totient is φ = 838331200.

The previous prime is 2100154223. The next prime is 2100154319. The reversal of 2100154300 is 34510012.

It is a congruent number.

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, 27714 + ... + 70486.

It is an arithmetic number, because the mean of its divisors is an integer number (126853426).

Almost surely, 22100154300 is an apocalyptic number.

2100154300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100154300 is an abundant number, since it is smaller than the sum of its proper divisors (2466569036).

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

2100154300 is a wasteful number, since it uses less digits than its factorization.

2100154300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43278 (or 43271 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 2100154300 is about 45827.4404696575. The cubic root of 2100154300 is about 1280.6105282456.

Adding to 2100154300 its reverse (34510012), we get a palindrome (2134664312).

The spelling of 2100154300 in words is "two billion, one hundred million, one hundred fifty-four thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 491 982 1964 2455 4910 9820 12275 24550 42773 49100 85546 171092 213865 427730 855460 1069325 2138650 4277300 21001543 42003086 84006172 105007715 210015430 420030860 525038575 1050077150 2100154300