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28053235082 = 215789341513
BaseRepresentation
bin11010001000000110…
…100110010110001010
32200102002002222221202
4122020012212112022
5424423112010312
620515410104202
72012120364245
oct321006462612
980362088852
1028053235082
1110996357804
12552ab7b062
132850c697b2
141501a8a25c
15ae2c7e9c2
hex6881a658a

28053235082 has 8 divisors (see below), whose sum is σ = 42347877636. Its totient is φ = 13937275872.

The previous prime is 28053235051. The next prime is 28053235087.

It is a happy number.

28053235082 is nontrivially palindromic in base 10.

It is a Cunningham number, because it is equal to 1674912+1.

It can be written as a sum of positive squares in 2 ways, for example, as 28053235081 + 1 = 167491^2 + 1^2 .

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

It is not an unprimeable number, because it can be changed into a prime (28053235087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44670443 + ... + 44671070.

Almost surely, 228053235082 is an apocalyptic number.

28053235082 is a deficient number, since it is larger than the sum of its proper divisors (14294642554).

28053235082 is a wasteful number, since it uses less digits than its factorization.

28053235082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89341672.

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 28053235082 in words is "twenty-eight billion, fifty-three million, two hundred thirty-five thousand, eighty-two".

Divisors: 1 2 157 314 89341513 178683026 14026617541 28053235082