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12031013020250 = 253717404403799
BaseRepresentation
bin1010111100010011000001…
…0000011110001001011010
31120121011010222112202201002
42233010300100132021122
53034104003313122000
641330545430425002
72351132501231120
oct257046020361132
946534128482632
1012031013020250
113919362224a54
121423835b02162
1369369a900343
142d84387a3910
1515ce4a94d8d5
hexaf13041e25a

12031013020250 has 64 divisors (see below), whose sum is σ = 27253580889600. Its totient is φ = 3882276460800.

The previous prime is 12031013020249. The next prime is 12031013020303. The reversal of 12031013020250 is 5202031013021.

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 31 ways as a sum of consecutive naturals, for example, 202172150 + ... + 202231649.

It is an arithmetic number, because the mean of its divisors is an integer number (425837201400).

Almost surely, 212031013020250 is an apocalyptic number.

12031013020250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12031013020250 is an abundant number, since it is smaller than the sum of its proper divisors (15222567869350).

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

12031013020250 is a wasteful number, since it uses less digits than its factorization.

12031013020250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404403840 (or 404403830 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 12031013020250 its reverse (5202031013021), we get a palindrome (17233044033271).

The spelling of 12031013020250 in words is "twelve trillion, thirty-one billion, thirteen million, twenty thousand, two hundred fifty".

Divisors: 1 2 5 7 10 14 17 25 34 35 50 70 85 119 125 170 175 238 250 350 425 595 850 875 1190 1750 2125 2975 4250 5950 14875 29750 404403799 808807598 2022018995 2830826593 4044037990 5661653186 6874864583 10110094975 13749729166 14154132965 20220189950 28308265930 34374322915 48124052081 50550474875 68748645830 70770664825 96248104162 101100949750 141541329650 171871614575 240620260405 343743229150 353853324125 481240520810 707706648250 859358072875 1203101302025 1718716145750 2406202604050 6015506510125 12031013020250