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30253302256 = 243170986029
BaseRepresentation
bin11100001011001111…
…001100000111110000
32220002101220222202011
4130023033030013300
5443424321133011
621522001132304
72120463553252
oct341317140760
986071828664
1030253302256
1111915222841
125a4392a094
132b119c28a8
14166dd43cd2
15bc0eb1621
hex70b3cc1f0

30253302256 has 40 divisors (see below), whose sum is σ = 60592649600. Its totient is φ = 14617877760.

The previous prime is 30253302227. The next prime is 30253302257. The reversal of 30253302256 is 65220335203.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30253302257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308650 + ... + 394678.

It is an arithmetic number, because the mean of its divisors is an integer number (1514816240).

Almost surely, 230253302256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30253302256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30296324800).

30253302256 is an abundant number, since it is smaller than the sum of its proper divisors (30339347344).

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

30253302256 is a wasteful number, since it uses less digits than its factorization.

30253302256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86777 (or 86771 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 31.

Adding to 30253302256 its reverse (65220335203), we get a palindrome (95473637459).

The spelling of 30253302256 in words is "thirty billion, two hundred fifty-three million, three hundred two thousand, two hundred fifty-six".

Divisors: 1 2 4 8 16 31 62 124 248 496 709 1418 2836 5672 11344 21979 43958 86029 87916 172058 175832 344116 351664 688232 1376464 2666899 5333798 10667596 21335192 42670384 60994561 121989122 243978244 487956488 975912976 1890831391 3781662782 7563325564 15126651128 30253302256