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30075252736 = 21247915329
BaseRepresentation
bin11100000000100111…
…111111000000000000
32212121222220010201111
4130000213333000000
5443043231041421
621452201013104
72113202300404
oct340047770000
985558803644
1030075252736
1111833772581
1259b4184194
132ab3b52749
141654437104
15bb0540ee1
hex7009ff000

30075252736 has 52 divisors (see below), whose sum is σ = 60272654400. Its totient is φ = 15005253632.

The previous prime is 30075252731. The next prime is 30075252737. The reversal of 30075252736 is 63725257003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30075252731) 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, 1954320 + ... + 1969648.

Almost surely, 230075252736 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 30075252736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30136327200).

30075252736 is an abundant number, since it is smaller than the sum of its proper divisors (30197401664).

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

30075252736 is an equidigital number, since it uses as much as digits as its factorization.

30075252736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15832 (or 15810 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 40.

The spelling of 30075252736 in words is "thirty billion, seventy-five million, two hundred fifty-two thousand, seven hundred thirty-six".

Divisors: 1 2 4 8 16 32 64 128 256 479 512 958 1024 1916 2048 3832 4096 7664 15328 15329 30656 30658 61312 61316 122624 122632 245248 245264 490496 490528 980992 981056 1961984 1962112 3924224 7342591 7848448 14685182 15696896 29370364 31393792 58740728 62787584 117481456 234962912 469925824 939851648 1879703296 3759406592 7518813184 15037626368 30075252736