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2530013123 = 11230001193
BaseRepresentation
bin1001011011001100…
…1110111111000011
320112022122222112202
42112303032333003
520140140404443
61055014543415
7116460520361
oct22663167703
96468588482
102530013123
111089143340
125a7367b6b
1331420a3b1
141a0024631
15ec1a87b8
hex96ccefc3

2530013123 has 4 divisors (see below), whose sum is σ = 2760014328. Its totient is φ = 2300011920.

The previous prime is 2530013111. The next prime is 2530013147. The reversal of 2530013123 is 3213100352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2530013123 - 24 = 2530013107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2530013095 and 2530013104.

It is not an unprimeable number, because it can be changed into a prime (2530013173) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 115000586 + ... + 115000607.

It is an arithmetic number, because the mean of its divisors is an integer number (690003582).

Almost surely, 22530013123 is an apocalyptic number.

2530013123 is a deficient number, since it is larger than the sum of its proper divisors (230001205).

2530013123 is a wasteful number, since it uses less digits than its factorization.

2530013123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230001204.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 2530013123 is about 50299.2358093043. The cubic root of 2530013123 is about 1362.6184277500.

Adding to 2530013123 its reverse (3213100352), we get a palindrome (5743113475).

The spelling of 2530013123 in words is "two billion, five hundred thirty million, thirteen thousand, one hundred twenty-three".

Divisors: 1 11 230001193 2530013123