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10110001220 = 2251153867067
BaseRepresentation
bin10010110101001101…
…00110000001000100
3222002120202021102122
421122212212001010
5131201130014340
64351112225112
7505351410134
oct113246460104
928076667378
1010110001220
114318917610
121b6199b198
13c51723257
146bc9d8ac4
153e288adb5
hex25a9a6044

10110001220 has 48 divisors (see below), whose sum is σ = 23598122688. Its totient is φ = 3606994560.

The previous prime is 10110001211. The next prime is 10110001229. The reversal of 10110001220 is 2210001101.

It is an interprime number because it is at equal distance from previous prime (10110001211) and next prime (10110001229).

It is a junction number, because it is equal to n+sod(n) for n = 10110001198 and 10110001207.

It is not an unprimeable number, because it can be changed into a prime (10110001229) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 421874 + ... + 445193.

It is an arithmetic number, because the mean of its divisors is an integer number (491627556).

Almost surely, 210110001220 is an apocalyptic number.

10110001220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10110001220 is an abundant number, since it is smaller than the sum of its proper divisors (13488121468).

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

10110001220 is a wasteful number, since it uses less digits than its factorization.

10110001220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867140 (or 867138 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 10110001220 its reverse (2210001101), we get a palindrome (12320002321).

The spelling of 10110001220 in words is "ten billion, one hundred ten million, one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 53 55 106 110 212 220 265 530 583 1060 1166 2332 2915 5830 11660 867067 1734134 3468268 4335335 8670670 9537737 17341340 19075474 38150948 45954551 47688685 91909102 95377370 183818204 190754740 229772755 459545510 505500061 919091020 1011000122 2022000244 2527500305 5055000610 10110001220