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30312122030000 = 245415120074253
BaseRepresentation
bin1101110010001100101110…
…10001000001011110110000
310222022210212220100201021022
412321012113101001132300
512433113211214430000
6144245110245315012
76245656433023106
oct671062721013660
9128283786321238
1030312122030000
119727331717968
123496838405a68
1313bb56178a575
1476b1863d3c76
1537874b7b0585
hex1b91974417b0

30312122030000 has 100 divisors (see below), whose sum is σ = 73874700066288. Its totient is φ = 12044551200000.

The previous prime is 30312122029933. The next prime is 30312122030027. The reversal of 30312122030000 is 3022121303.

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-2 number, since 2×303121220300002 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8527127 + ... + 11547126.

Almost surely, 230312122030000 is an apocalyptic number.

It is an amenable number.

30312122030000 is an abundant number, since it is smaller than the sum of its proper divisors (43562578036288).

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

30312122030000 is a wasteful number, since it uses less digits than its factorization.

30312122030000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20074432 (or 20074411 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 30312122030000 its reverse (3022121303), we get a palindrome (30315144151303).

The spelling of 30312122030000 in words is "thirty trillion, three hundred twelve billion, one hundred twenty-two million, thirty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 151 200 250 302 400 500 604 625 755 1000 1208 1250 1510 2000 2416 2500 3020 3775 5000 6040 7550 10000 12080 15100 18875 30200 37750 60400 75500 94375 151000 188750 302000 377500 755000 1510000 20074253 40148506 80297012 100371265 160594024 200742530 321188048 401485060 501856325 802970120 1003712650 1605940240 2007425300 2509281625 3031212203 4014850600 5018563250 6062424406 8029701200 10037126500 12124848812 12546408125 15156061015 20074253000 24249697624 25092816250 30312122030 40148506000 48499395248 50185632500 60624244060 75780305075 100371265000 121248488120 151560610150 200742530000 242496976240 303121220300 378901525375 606242440600 757803050750 1212484881200 1515606101500 1894507626875 3031212203000 3789015253750 6062424406000 7578030507500 15156061015000 30312122030000