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10301210220 = 2235723503813
BaseRepresentation
bin10011001011111111…
…11111111001101100
3222120220112200212110
421211333333321230
5132044102211340
64422102404020
7513162561600
oct114577777154
928526480773
1010301210220
114406845784
121bb5a30610
13c82220082
146da16d500
1540455a680
hex265fffe6c

10301210220 has 72 divisors (see below), whose sum is σ = 33552522864. Its totient is φ = 2354561664.

The previous prime is 10301210209. The next prime is 10301210233. The reversal of 10301210220 is 2201210301.

It is a super-2 number, since 2×103012102202 (a number of 21 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 = 10301210196 and 10301210205.

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, 1748967 + ... + 1754846.

It is an arithmetic number, because the mean of its divisors is an integer number (466007262).

Almost surely, 210301210220 is an apocalyptic number.

10301210220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10301210220 is an abundant number, since it is smaller than the sum of its proper divisors (23251312644).

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

10301210220 is a wasteful number, since it uses less digits than its factorization.

10301210220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3503839 (or 3503830 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 10301210220 its reverse (2201210301), we get a palindrome (12502420521).

The spelling of 10301210220 in words is "ten billion, three hundred one million, two hundred ten thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 49 60 70 84 98 105 140 147 196 210 245 294 420 490 588 735 980 1470 2940 3503813 7007626 10511439 14015252 17519065 21022878 24526691 35038130 42045756 49053382 52557195 70076260 73580073 98106764 105114390 122633455 147160146 171686837 210228780 245266910 294320292 343373674 367900365 490533820 515060511 686747348 735800730 858434185 1030121022 1471601460 1716868370 2060242044 2575302555 3433736740 5150605110 10301210220