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10302230220 = 2235612814817
BaseRepresentation
bin10011001100000111…
…11000111011001100
3222120222110112001020
421212003320323030
5132044332331340
64422140314140
7513204340422
oct114603707314
928528415036
1010302230220
114407382057
121bb6242950
13c824b9419
146da357112
154046ac9d0
hex2660f8ecc

10302230220 has 48 divisors (see below), whose sum is σ = 29319144288. Its totient is φ = 2702223360.

The previous prime is 10302230201. The next prime is 10302230303. The reversal of 10302230220 is 2203220301.

10302230220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×103022302202 (a number of 21 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 10302230220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1403749 + ... + 1411068.

It is an arithmetic number, because the mean of its divisors is an integer number (610815506).

Almost surely, 210302230220 is an apocalyptic number.

10302230220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10302230220 is an abundant number, since it is smaller than the sum of its proper divisors (19016914068).

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

10302230220 is a wasteful number, since it uses less digits than its factorization.

10302230220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2814890 (or 2814888 counting only the distinct ones).

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

Adding to 10302230220 its reverse (2203220301), we get a palindrome (12505450521).

The spelling of 10302230220 in words is "ten billion, three hundred two million, two hundred thirty thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 61 122 183 244 305 366 610 732 915 1220 1830 3660 2814817 5629634 8444451 11259268 14074085 16888902 28148170 33777804 42222255 56296340 84444510 168889020 171703837 343407674 515111511 686815348 858519185 1030223022 1717038370 2060446044 2575557555 3434076740 5151115110 10302230220