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30553005250830 = 2351791036581111
BaseRepresentation
bin1101111001001101011010…
…00001100101100100001110
311000011211122110122012110210
412330212231001211210032
513001040023321011310
6144551505024543250
76302244644433546
oct674465501454416
9130154573565423
1030553005250830
11980a502a48a77
123515463781b26
13140819cb2c26a
14778ab80b2326
1537eb49031820
hex1bc9ad06590e

30553005250830 has 64 divisors (see below), whose sum is σ = 77649118967808. Its totient is φ = 7667361692160.

The previous prime is 30553005250799. The next prime is 30553005250837. The reversal of 30553005250830 is 3805250035503.

It is a super-2 number, since 2×305530052508302 (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30553005250837) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1351975 + ... + 7933085.

It is an arithmetic number, because the mean of its divisors is an integer number (1213267483872).

Almost surely, 230553005250830 is an apocalyptic number.

30553005250830 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30553005250830 is an abundant number, since it is smaller than the sum of its proper divisors (47096113716978).

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

30553005250830 is a wasteful number, since it uses less digits than its factorization.

30553005250830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6590241.

The product of its (nonzero) digits is 270000, while the sum is 39.

The spelling of 30553005250830 in words is "thirty trillion, five hundred fifty-three billion, five million, two hundred fifty thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 9103 18206 27309 45515 54618 91030 136545 154751 273090 309502 464253 773755 928506 1547510 2321265 4642530 6581111 13162222 19743333 32905555 39486666 65811110 98716665 111878887 197433330 223757774 335636661 559394435 671273322 1118788870 1678183305 3356366610 59907853433 119815706866 179723560299 299539267165 359447120598 599078534330 898617801495 1018433508361 1797235602990 2036867016722 3055300525083 5092167541805 6110601050166 10184335083610 15276502625415 30553005250830