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30525503025 = 35217107223753
BaseRepresentation
bin11100011011011101…
…100011011000110001
32220210101010020000010
4130123131203120301
51000004012044100
622005003245133
72130310331433
oct343335433061
986711106003
1030525503025
1111a4493a256
125abab197a9
132b56209334
14169815c653
15bd9d2d750
hex71b763631

30525503025 has 48 divisors (see below), whose sum is σ = 53937244224. Its totient is φ = 15179335680.

The previous prime is 30525502949. The next prime is 30525503051. The reversal of 30525503025 is 52030552503.

It is not a de Polignac number, because 30525503025 - 28 = 30525502769 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30525502983 and 30525503001.

It is an unprimeable number.

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, 24549 + ... + 248301.

It is an arithmetic number, because the mean of its divisors is an integer number (1123692588).

Almost surely, 230525503025 is an apocalyptic number.

It is an amenable number.

30525503025 is a deficient number, since it is larger than the sum of its proper divisors (23411741199).

30525503025 is a wasteful number, since it uses less digits than its factorization.

30525503025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223890 (or 223885 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 30.

The spelling of 30525503025 in words is "thirty billion, five hundred twenty-five million, five hundred three thousand, twenty-five".

Divisors: 1 3 5 15 17 25 51 75 85 107 255 321 425 535 1275 1605 1819 2675 5457 8025 9095 27285 45475 136425 223753 671259 1118765 3356295 3803801 5593825 11411403 16781475 19019005 23941571 57057015 71824713 95095025 119707855 285285075 359123565 407006707 598539275 1221020121 1795617825 2035033535 6105100605 10175167675 30525503025