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1030303011220 = 225724083305581
BaseRepresentation
bin11101111111000101101…
…10000101000110010100
310122111101120212220002221
432333202312011012110
5113340030032324340
62105151545112124
7134302604045350
oct16774266050624
93574346786087
101030303011220
11367a4920a81a
1214781a488644
1376207374202
1437c1cc0a460
151bc01c9644a
hexefe2d85194

1030303011220 has 48 divisors (see below), whose sum is σ = 2472837994368. Its totient is φ = 353230922880.

The previous prime is 1030303011191. The next prime is 1030303011233. The reversal of 1030303011220 is 221103030301.

It is a junction number, because it is equal to n+sod(n) for n = 1030303011194 and 1030303011203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3218830 + ... + 3524410.

It is an arithmetic number, because the mean of its divisors is an integer number (51517458216).

Almost surely, 21030303011220 is an apocalyptic number.

1030303011220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030303011220 is an abundant number, since it is smaller than the sum of its proper divisors (1442534983148).

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

1030303011220 is a wasteful number, since it uses less digits than its factorization.

1030303011220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329680 (or 329678 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1030303011220 its reverse (221103030301), we get a palindrome (1251406041521).

The spelling of 1030303011220 in words is "one trillion, thirty billion, three hundred three million, eleven thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 24083 48166 96332 120415 168581 240830 305581 337162 481660 611162 674324 842905 1222324 1527905 1685810 2139067 3055810 3371620 4278134 6111620 8556268 10695335 21390670 42781340 7359307223 14718614446 29437228892 36796536115 51515150561 73593072230 103030301122 147186144460 206060602244 257575752805 515151505610 1030303011220