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2502142529 = 8928113961
BaseRepresentation
bin1001010100100011…
…1010101001000001
320110101020000021112
42111020322221001
520111022030104
61052141333105
7116001601115
oct22510725101
96411200245
102502142529
111074437797
12599b67195
1330b4cc713
1419a44b745
15e9a0086e
hex9523aa41

2502142529 has 4 divisors (see below), whose sum is σ = 2530256580. Its totient is φ = 2474028480.

The previous prime is 2502142499. The next prime is 2502142541. The reversal of 2502142529 is 9252412052.

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

It can be written as a sum of positive squares in 2 ways, for example, as 465696400 + 2036446129 = 21580^2 + 45127^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2502142529 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2502142495 and 2502142504.

It is not an unprimeable number, because it can be changed into a prime (2502144529) 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 3 ways as a sum of consecutive naturals, for example, 14056892 + ... + 14057069.

It is an arithmetic number, because the mean of its divisors is an integer number (632564145).

Almost surely, 22502142529 is an apocalyptic number.

It is an amenable number.

2502142529 is a deficient number, since it is larger than the sum of its proper divisors (28114051).

2502142529 is an equidigital number, since it uses as much as digits as its factorization.

2502142529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28114050.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 2502142529 is about 50021.4207015355. The cubic root of 2502142529 is about 1357.5964121556.

The spelling of 2502142529 in words is "two billion, five hundred two million, one hundred forty-two thousand, five hundred twenty-nine".

Divisors: 1 89 28113961 2502142529