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1022101010210 = 25725693665941
BaseRepresentation
bin11101101111110011111…
…01111011011100100010
310121201012222101001220202
432313321331323130202
5113221230324311320
62101314031505202
7133562421145100
oct16677175733442
93551188331822
101022101010210
1136451a412a95
1214610b688202
13754cb026087
143768179cc70
151b8c1b98b75
hexedf9f7b722

1022101010210 has 48 divisors (see below), whose sum is σ = 2143916200440. Its totient is φ = 349818658560.

The previous prime is 1022101010191. The next prime is 1022101010221. The reversal of 1022101010210 is 120101012201.

It can be written as a sum of positive squares in 4 ways, for example, as 327173704081 + 694927306129 = 571991^2 + 833623^2 .

It is a super-3 number, since 3×10221010102103 (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1022101010191 and 1022101010200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1554161 + ... + 2111780.

Almost surely, 21022101010210 is an apocalyptic number.

1022101010210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1022101010210 is an abundant number, since it is smaller than the sum of its proper divisors (1121815190230).

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

1022101010210 is a wasteful number, since it uses less digits than its factorization.

1022101010210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3666531 (or 3666524 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1022101010210 its reverse (120101012201), we get a palindrome (1142202022411).

The spelling of 1022101010210 in words is "one trillion, twenty-two billion, one hundred one million, ten thousand, two hundred ten".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 569 1138 2845 3983 5690 7966 19915 27881 39830 55762 139405 278810 3665941 7331882 18329705 25661587 36659410 51323174 128307935 179631109 256615870 359262218 898155545 1796311090 2085920429 4171840858 10429602145 14601443003 20859204290 29202886006 73007215015 102210101021 146014430030 204420202042 511050505105 1022101010210