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2552115243 = 31063800287
BaseRepresentation
bin1001100000011110…
…0011000000101011
320120212020212221210
42120013203000223
520211320141433
61101124404203
7120146423136
oct23007430053
96525225853
102552115243
11109a669a57
125b2846663
13318978582
141a2d3921d
15ee0c2463
hex981e302b

2552115243 has 8 divisors (see below), whose sum is σ = 3406025728. Its totient is φ = 1699807464.

The previous prime is 2552115239. The next prime is 2552115257. The reversal of 2552115243 is 3425112552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2552115243 - 22 = 2552115239 is a prime.

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 2552115243.

It is not an unprimeable number, because it can be changed into a prime (2552115143) 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 7 ways as a sum of consecutive naturals, for example, 396955 + ... + 403332.

It is an arithmetic number, because the mean of its divisors is an integer number (425753216).

Almost surely, 22552115243 is an apocalyptic number.

2552115243 is a deficient number, since it is larger than the sum of its proper divisors (853910485).

2552115243 is a wasteful number, since it uses less digits than its factorization.

2552115243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801353.

The product of its digits is 12000, while the sum is 30.

The square root of 2552115243 is about 50518.4643768989. The cubic root of 2552115243 is about 1366.5748603873.

Adding to 2552115243 its reverse (3425112552), we get a palindrome (5977227795).

The spelling of 2552115243 in words is "two billion, five hundred fifty-two million, one hundred fifteen thousand, two hundred forty-three".

Divisors: 1 3 1063 3189 800287 2400861 850705081 2552115243