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1030030102020 = 2235293311788433
BaseRepresentation
bin11101111110100101001…
…01000000111000000100
310122110200120100200001210
432333102211000320010
5113334000201231040
62105104515451420
7134263051256613
oct16772245007004
93573616320053
101030030102020
1136791915a027
12147762bb6b70
137619297018a
1437bd488987a
151bbd7d39480
hexefd2940e04

1030030102020 has 96 divisors (see below), whose sum is σ = 2992550843520. Its totient is φ = 264401786880.

The previous prime is 1030030102009. The next prime is 1030030102039. The reversal of 1030030102020 is 202010300301.

It is a happy number.

It is a super-2 number, since 2×10300301020202 (a number of 25 digits) contains 22 as substring.

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 = 1030030101987 and 1030030102005.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 318277 + ... + 1470156.

It is an arithmetic number, because the mean of its divisors is an integer number (31172404620).

Almost surely, 21030030102020 is an apocalyptic number.

1030030102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030030102020 is an abundant number, since it is smaller than the sum of its proper divisors (1962520741500).

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

1030030102020 is a wasteful number, since it uses less digits than its factorization.

1030030102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1788805 (or 1788803 counting only the distinct ones).

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

Adding to 1030030102020 its reverse (202010300301), we get a palindrome (1232040402321).

The spelling of 1030030102020 in words is "one trillion, thirty billion, thirty million, one hundred two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 29 30 58 60 87 116 145 174 290 331 348 435 580 662 870 993 1324 1655 1740 1986 3310 3972 4965 6620 9599 9930 19198 19860 28797 38396 47995 57594 95990 115188 143985 191980 287970 575940 1788433 3576866 5365299 7153732 8942165 10730598 17884330 21461196 26826495 35768660 51864557 53652990 103729114 107305980 155593671 207458228 259322785 311187342 518645570 591971323 622374684 777968355 1037291140 1183942646 1555936710 1775913969 2367885292 2959856615 3111873420 3551827938 5919713230 7103655876 8879569845 11839426460 17167168367 17759139690 34334336734 35518279380 51501505101 68668673468 85835841835 103003010202 171671683670 206006020404 257507525505 343343367340 515015051010 1030030102020