Search a number
-
+
2124323125 = 5423147779
BaseRepresentation
bin111111010011110…
…1001100100110101
312111001021210111021
41332213221210311
513322311320000
6550443341141
7103433306611
oct17647514465
95431253437
102124323125
119a0141451
124b35217b1
1327b155c42
141621bc341
15c676e11a
hex7e9e9935

2124323125 has 20 divisors (see below), whose sum is σ = 2769988320. Its totient is φ = 1625558000.

The previous prime is 2124323107. The next prime is 2124323137. The reversal of 2124323125 is 5213234212.

It is not a de Polignac number, because 2124323125 - 25 = 2124323093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 2124323125.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 59515 + ... + 88264.

It is an arithmetic number, because the mean of its divisors is an integer number (138499416).

Almost surely, 22124323125 is an apocalyptic number.

2124323125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2124323125 is a deficient number, since it is larger than the sum of its proper divisors (645665195).

2124323125 is an equidigital number, since it uses as much as digits as its factorization.

2124323125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147822 (or 147807 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 2124323125 is about 46090.3799615495. The cubic root of 2124323125 is about 1285.5042760309.

Adding to 2124323125 its reverse (5213234212), we get a palindrome (7337557337).

The spelling of 2124323125 in words is "two billion, one hundred twenty-four million, three hundred twenty-three thousand, one hundred twenty-five".

Divisors: 1 5 23 25 115 125 575 625 2875 14375 147779 738895 3398917 3694475 16994585 18472375 84972925 92361875 424864625 2124323125