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2232512125 = 53103317547
BaseRepresentation
bin1000010100010001…
…0110111001111101
312202120212100220021
42011010112321331
514033010342000
61005310252141
7106216016464
oct20504267175
95676770807
102232512125
11a46216448
125237b7051
132976a5bbc
141727019db
15d0ee011a
hex85116e7d

2232512125 has 32 divisors (see below), whose sum is σ = 2827259136. Its totient is φ = 1759867200.

The previous prime is 2232512119. The next prime is 2232512189. The reversal of 2232512125 is 5212152322.

2232512125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2232512125 - 219 = 2231987837 is a prime.

It is a super-3 number, since 3×22325121253 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2232512125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4081102 + ... + 4081648.

It is an arithmetic number, because the mean of its divisors is an integer number (88351848).

Almost surely, 22232512125 is an apocalyptic number.

2232512125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2232512125 is a deficient number, since it is larger than the sum of its proper divisors (594747011).

2232512125 is a wasteful number, since it uses less digits than its factorization.

2232512125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982 (or 972 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 2232512125 is about 47249.4669282099. The cubic root of 2232512125 is about 1306.9669598752.

Adding to 2232512125 its reverse (5212152322), we get a palindrome (7444664447).

The spelling of 2232512125 in words is "two billion, two hundred thirty-two million, five hundred twelve thousand, one hundred twenty-five".

Divisors: 1 5 25 103 125 317 515 547 1585 2575 2735 7925 12875 13675 32651 39625 56341 68375 163255 173399 281705 816275 866995 1408525 4081375 4334975 7042625 17860097 21674875 89300485 446502425 2232512125