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1030202203020 = 223519903686143
BaseRepresentation
bin11101111110111001101…
…01100001101110001100
310122111010120012022020220
432333130311201232030
5113334323230444040
62105133544311340
7134300241146034
oct16773465415614
93574116168226
101030202203020
113679a7317061
121477b0772550
13761bc5098a3
1437c0d6888c4
151bbe7ed22d0
hexefdcd61b8c

1030202203020 has 48 divisors (see below), whose sum is σ = 3036385443840. Its totient is φ = 260261608896.

The previous prime is 1030202203007. The next prime is 1030202203031. The reversal of 1030202203020 is 203022020301.

It is a super-2 number, since 2×10302022030202 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 451841932 + ... + 451844211.

It is an arithmetic number, because the mean of its divisors is an integer number (63258030080).

Almost surely, 21030202203020 is an apocalyptic number.

1030202203020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030202203020 is an abundant number, since it is smaller than the sum of its proper divisors (2006183240820).

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

1030202203020 is a wasteful number, since it uses less digits than its factorization.

1030202203020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903686174 (or 903686172 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 1030202203020 its reverse (203022020301), we get a palindrome (1233224223321).

The spelling of 1030202203020 in words is "one trillion, thirty billion, two hundred two million, two hundred three thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 30 38 57 60 76 95 114 190 228 285 380 570 1140 903686143 1807372286 2711058429 3614744572 4518430715 5422116858 9036861430 10844233716 13555292145 17170036717 18073722860 27110584290 34340073434 51510110151 54221168580 68680146868 85850183585 103020220302 171700367170 206040440604 257550550755 343400734340 515101101510 1030202203020