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30308010425 = 5272112732801
BaseRepresentation
bin11100001110011111…
…111000100110111001
32220020012212110020122
4130032133320212321
5444032322313200
621531233503025
72122026560300
oct341637704671
986205773218
1030308010425
1111943099900
125a5a111a75
132b20138ca4
141677305437
15bc5bbb385
hex70e7f89b9

30308010425 has 108 divisors (see below), whose sum is σ = 48729060828. Its totient is φ = 18627840000.

The previous prime is 30308010419. The next prime is 30308010433. The reversal of 30308010425 is 52401080303.

It can be written as a sum of positive squares in 6 ways, for example, as 319122496 + 29988887929 = 17864^2 + 173173^2 .

It is not a de Polignac number, because 30308010425 - 28 = 30308010169 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30308010394 and 30308010403.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 10819025 + ... + 10821825.

Almost surely, 230308010425 is an apocalyptic number.

30308010425 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30308010425 is a deficient number, since it is larger than the sum of its proper divisors (18421050403).

30308010425 is a wasteful number, since it uses less digits than its factorization.

30308010425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2920 (or 2897 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 30308010425 its reverse (52401080303), we get a palindrome (82709090728).

The spelling of 30308010425 in words is "thirty billion, three hundred eight million, ten thousand, four hundred twenty-five".

Divisors: 1 5 7 11 25 35 49 55 73 77 121 175 245 275 365 385 511 539 605 803 847 1225 1825 1925 2555 2695 2801 3025 3577 4015 4235 5621 5929 8833 12775 13475 14005 17885 19607 20075 21175 28105 29645 30811 39347 44165 61831 70025 89425 98035 137249 140525 148225 154055 196735 204473 215677 220825 309155 338921 432817 490175 686245 770275 983675 1022365 1078385 1431311 1509739 1545775 1694605 2164085 2249203 2372447 3431225 5111825 5391925 7156555 7548695 8473025 10019177 10820425 11246015 11862235 15744421 16607129 24741233 35782775 37743475 50095885 56230075 59311175 78722105 83035645 110210947 123706165 173188631 250479425 393610525 415178225 551054735 618530825 865943155 1212320417 2755273675 4329715775 6061602085 30308010425