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30521342051025 = 35271729117922697
BaseRepresentation
bin1101111000010010011011…
…10000000100001011010001
311000001210220210201222212220
412330021031300010023101
513000030202031113100
6144525151100411253
76300044210612640
oct674111560041321
9130053823658786
1030521342051025
1197a8034997351
12350b2a7846b29
1314051c5003b87
14777352c01357
1537dde43c2aa0
hex1bc24dc042d1

30521342051025 has 96 divisors (see below), whose sum is σ = 63168830864640. Its totient is φ = 12679048273920.

The previous prime is 30521342051023. The next prime is 30521342051027. The reversal of 30521342051025 is 52015024312503.

It is an interprime number because it is at equal distance from previous prime (30521342051023) and next prime (30521342051027).

It is not a de Polignac number, because 30521342051025 - 21 = 30521342051023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30521342051023) 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 95 ways as a sum of consecutive naturals, for example, 58702524 + ... + 59220173.

It is an arithmetic number, because the mean of its divisors is an integer number (658008654840).

Almost surely, 230521342051025 is an apocalyptic number.

30521342051025 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30521342051025 is an abundant number, since it is smaller than the sum of its proper divisors (32647488813615).

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

30521342051025 is a wasteful number, since it uses less digits than its factorization.

30521342051025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117922763 (or 117922758 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 30521342051025 its reverse (52015024312503), we get a palindrome (82536366363528).

The spelling of 30521342051025 in words is "thirty trillion, five hundred twenty-one billion, three hundred forty-two million, fifty-one thousand, twenty-five".

Divisors: 1 3 5 7 15 17 21 25 29 35 51 75 85 87 105 119 145 175 203 255 357 425 435 493 525 595 609 725 1015 1275 1479 1785 2175 2465 2975 3045 3451 5075 7395 8925 10353 12325 15225 17255 36975 51765 86275 258825 117922697 353768091 589613485 825458879 1768840455 2004685849 2476376637 2948067425 3419758213 4127294395 6014057547 8844202275 10023429245 10259274639 12381883185 14032800943 17098791065 20636471975 23938307491 30070287735 42098402829 50117146225 51296373195 58135889621 61909415925 70164004715 71814922473 85493955325 119691537455 150351438675 174407668863 210492014145 256481865975 290679448105 350820023575 359074612365 406951227347 598457687275 872038344315 1052460070725 1220853682041 1453397240525 1795373061825 2034756136735 4360191721575 6104268410205 10173780683675 30521342051025