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30221112210 = 2358631167289
BaseRepresentation
bin11100001001010100…
…011001001110010010
32220000011100120022020
4130021110121032102
5443343101042320
621514451152310
72116623133602
oct341124311622
986004316266
1030221112210
11118a90369a3
125a34ba5696
132b08131b23
141669964c02
15bbd253940
hex709519392

30221112210 has 32 divisors (see below), whose sum is σ = 72614776320. Its totient is φ = 8049618048.

The previous prime is 30221112179. The next prime is 30221112239. The reversal of 30221112210 is 1221112203.

It is a super-2 number, since 2×302211122102 (a number of 22 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 30221112210.

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, 557755 + ... + 609534.

It is an arithmetic number, because the mean of its divisors is an integer number (2269211760).

Almost surely, 230221112210 is an apocalyptic number.

30221112210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30221112210 is an abundant number, since it is smaller than the sum of its proper divisors (42393664110).

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

30221112210 is a wasteful number, since it uses less digits than its factorization.

30221112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168162.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 30221112210 its reverse (1221112203), we get a palindrome (31442224413).

The spelling of 30221112210 in words is "thirty billion, two hundred twenty-one million, one hundred twelve thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 863 1726 2589 4315 5178 8630 12945 25890 1167289 2334578 3501867 5836445 7003734 11672890 17509335 35018670 1007370407 2014740814 3022111221 5036852035 6044222442 10073704070 15110556105 30221112210