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2030311020 = 2235174334597
BaseRepresentation
bin111100100000100…
…0001011001101100
312020111101111010110
41321001001121230
513124224423040
6533244340020
7101212234053
oct17101013154
95214344113
102030311020
1195206a7a1
12487b44610
1326482aa8a
1415390939a
15bd39d980
hex7904166c

2030311020 has 96 divisors (see below), whose sum is σ = 6034488768. Its totient is φ = 508280832.

The previous prime is 2030310991. The next prime is 2030311033. The reversal of 2030311020 is 201130302.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2030310987 and 2030311005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 439362 + ... + 443958.

It is an arithmetic number, because the mean of its divisors is an integer number (62859258).

Almost surely, 22030311020 is an apocalyptic number.

2030311020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2030311020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3017244384).

2030311020 is an abundant number, since it is smaller than the sum of its proper divisors (4004177748).

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

2030311020 is a wasteful number, since it uses less digits than its factorization.

2030311020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5059 (or 5057 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 2030311020 is about 45058.9726913519. The cubic root of 2030311020 is about 1266.2540787660.

Adding to 2030311020 its reverse (201130302), we get a palindrome (2231441322).

The spelling of 2030311020 in words is "two billion, thirty million, three hundred eleven thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 34 51 60 68 85 102 170 204 255 340 433 510 866 1020 1299 1732 2165 2598 4330 4597 5196 6495 7361 8660 9194 12990 13791 14722 18388 22083 22985 25980 27582 29444 36805 44166 45970 55164 68955 73610 78149 88332 91940 110415 137910 147220 156298 220830 234447 275820 312596 390745 441660 468894 781490 937788 1172235 1562980 1990501 2344470 3981002 4688940 5971503 7962004 9952505 11943006 19905010 23886012 29857515 33838517 39810020 59715030 67677034 101515551 119430060 135354068 169192585 203031102 338385170 406062204 507577755 676770340 1015155510 2030311020