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30935420025 = 35231107124351
BaseRepresentation
bin11100110011111001…
…010000110001111001
32221211221110011102020
4130303321100301321
51001323431420100
622113405225053
72143415505636
oct346371206171
987757404366
1030935420025
1112135268a34
125bb4262189
132bc0110783
1416d678518d
15c10d005a0
hex733e50c79

30935420025 has 48 divisors (see below), whose sum is σ = 53290303488. Its totient is φ = 15817320000.

The previous prime is 30935420023. The next prime is 30935420053. The reversal of 30935420025 is 52002453903.

It is not a de Polignac number, because 30935420025 - 21 = 30935420023 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30935420023) 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 47 ways as a sum of consecutive naturals, for example, 186600 + ... + 310950.

It is an arithmetic number, because the mean of its divisors is an integer number (1110214656).

Almost surely, 230935420025 is an apocalyptic number.

It is an amenable number.

30935420025 is a deficient number, since it is larger than the sum of its proper divisors (22354883463).

30935420025 is a wasteful number, since it uses less digits than its factorization.

30935420025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124502 (or 124497 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 33.

Adding to 30935420025 its reverse (52002453903), we get a palindrome (82937873928).

The spelling of 30935420025 in words is "thirty billion, nine hundred thirty-five million, four hundred twenty thousand, twenty-five".

Divisors: 1 3 5 15 25 31 75 93 107 155 321 465 535 775 1605 2325 2675 3317 8025 9951 16585 49755 82925 124351 248775 373053 621755 1865265 3108775 3854881 9326325 11564643 13305557 19274405 39916671 57823215 66527785 96372025 199583355 289116075 332638925 412472267 997916775 1237416801 2062361335 6187084005 10311806675 30935420025