Search a number
-
+
2151532300 = 2252101213023
BaseRepresentation
bin1000000000111101…
…1100011100001100
312112221111011110111
42000033130130030
513401243013200
6553254445404
7104213502631
oct20017343414
95487434414
102151532300
11a04536075
12500663864
13283991848
14165a62188
15c8d460ba
hex803dc70c

2151532300 has 36 divisors (see below), whose sum is σ = 4715073216. Its totient is φ = 852088000.

The previous prime is 2151532283. The next prime is 2151532303. The reversal of 2151532300 is 32351512.

It is not an unprimeable number, because it can be changed into a prime (2151532303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96412 + ... + 116611.

It is an arithmetic number, because the mean of its divisors is an integer number (130974256).

Almost surely, 22151532300 is an apocalyptic number.

2151532300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2151532300 is an abundant number, since it is smaller than the sum of its proper divisors (2563540916).

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

2151532300 is a wasteful number, since it uses less digits than its factorization.

2151532300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213138 (or 213131 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 2151532300 is about 46384.6127503507. The cubic root of 2151532300 is about 1290.9694253388.

Adding to 2151532300 its reverse (32351512), we get a palindrome (2183883812).

The spelling of 2151532300 in words is "two billion, one hundred fifty-one million, five hundred thirty-two thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 101 202 404 505 1010 2020 2525 5050 10100 213023 426046 852092 1065115 2130230 4260460 5325575 10651150 21302300 21515323 43030646 86061292 107576615 215153230 430306460 537883075 1075766150 2151532300