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30026212782 = 235172196757
BaseRepresentation
bin11011111101101100…
…111010010110101110
32212111120121122112220
4123331230322112232
5442443202302112
621443245540210
72112035411646
oct337554722656
985446548486
1030026212782
1111809018095
12599b874666
132aa6942317
14164bb0d526
15bab0a598c
hex6fdb3a5ae

30026212782 has 16 divisors (see below), whose sum is σ = 60054207312. Its totient is φ = 10008440640.

The previous prime is 30026212781. The next prime is 30026212789. The reversal of 30026212782 is 28721262003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30026212781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261948 + ... + 358704.

It is an arithmetic number, because the mean of its divisors is an integer number (3753387957).

Almost surely, 230026212782 is an apocalyptic number.

30026212782 is an abundant number, since it is smaller than the sum of its proper divisors (30027994530).

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

30026212782 is a wasteful number, since it uses less digits than its factorization.

30026212782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148483.

The product of its (nonzero) digits is 16128, while the sum is 33.

Adding to 30026212782 its reverse (28721262003), we get a palindrome (58747474785).

The spelling of 30026212782 in words is "thirty billion, twenty-six million, two hundred twelve thousand, seven hundred eighty-two".

Divisors: 1 2 3 6 51721 96757 103442 155163 193514 290271 310326 580542 5004368797 10008737594 15013106391 30026212782