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28830287082 = 236844770201
BaseRepresentation
bin11010110110011010…
…110100010011101010
32202102020021022220110
4122312122310103222
5433021023141312
621124445035150
72040304253052
oct326632642352
982366238813
1028830287082
1111254a44443
125707255ab6
132945c4648c
141576d60562
15b3b0c243c
hex6b66b44ea

28830287082 has 16 divisors (see below), whose sum is σ = 57662237952. Its totient is φ = 9609818400.

The previous prime is 28830287081. The next prime is 28830287111. The reversal of 28830287082 is 28078203882.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28830287081) 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 7 ways as a sum of consecutive naturals, for example, 375582 + ... + 445782.

It is an arithmetic number, because the mean of its divisors is an integer number (3603889872).

Almost surely, 228830287082 is an apocalyptic number.

28830287082 is an abundant number, since it is smaller than the sum of its proper divisors (28831950870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28830287082 is a wasteful number, since it uses less digits than its factorization.

28830287082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138653.

The product of its (nonzero) digits is 688128, while the sum is 48.

The spelling of 28830287082 in words is "twenty-eight billion, eight hundred thirty million, two hundred eighty-seven thousand, eighty-two".

Divisors: 1 2 3 6 68447 70201 136894 140402 205341 210603 410682 421206 4805047847 9610095694 14415143541 28830287082