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30025250528 = 2571310310869
BaseRepresentation
bin11011111101101001…
…001111011011100000
32212111111210202120212
4123331221033123200
5442442431004103
621443213153252
72112024263360
oct337551173340
985444722525
1030025250528
1111808520139
12599b48b828
132aa6696340
14164b93c9a0
15baae657d8
hex6fda4f6e0

30025250528 has 48 divisors (see below), whose sum is σ = 72753498720. Its totient is φ = 11878119936.

The previous prime is 30025250527. The next prime is 30025250641. The reversal of 30025250528 is 82505252003.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 30025250494 and 30025250503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30025250527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5152523 + ... + 5158346.

It is an arithmetic number, because the mean of its divisors is an integer number (1515697890).

Almost surely, 230025250528 is an apocalyptic number.

It is an amenable number.

30025250528 is an abundant number, since it is smaller than the sum of its proper divisors (42728248192).

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

30025250528 is a wasteful number, since it uses less digits than its factorization.

30025250528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10310899 (or 10310891 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 30025250528 in words is "thirty billion, twenty-five million, two hundred fifty thousand, five hundred twenty-eight".

Divisors: 1 2 4 7 8 13 14 16 26 28 32 52 56 91 104 112 182 208 224 364 416 728 1456 2912 10310869 20621738 41243476 72176083 82486952 134041297 144352166 164973904 268082594 288704332 329947808 536165188 577408664 938289079 1072330376 1154817328 1876578158 2144660752 2309634656 3753156316 4289321504 7506312632 15012625264 30025250528