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30100021230220 = 22513217113868583
BaseRepresentation
bin1101101100000001101010…
…00100101011101010001100
310221120112102020021201010021
412312000311010223222030
512421124320413331340
6144003431525151524
76224440404666334
oct666006504535214
9127515366251107
1030100021230220
119655390307797
12346170425b5a4
1313a455c473046
14760bc51760c4
15372e85d08e4a
hex1b603512ba8c

30100021230220 has 24 divisors (see below), whose sum is σ = 63214827619104. Its totient is φ = 12039097437696.

The previous prime is 30100021230217. The next prime is 30100021230229. The reversal of 30100021230220 is 2203212000103.

It is a super-2 number, since 2×301000212302202 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30100021230194 and 30100021230203.

It is not an unprimeable number, because it can be changed into a prime (30100021230229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56669952 + ... + 57198631.

It is an arithmetic number, because the mean of its divisors is an integer number (2633951150796).

Almost surely, 230100021230220 is an apocalyptic number.

It is an amenable number.

30100021230220 is an abundant number, since it is smaller than the sum of its proper divisors (33114806388884).

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

30100021230220 is a wasteful number, since it uses less digits than its factorization.

30100021230220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113881809 (or 113881807 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 30100021230220 its reverse (2203212000103), we get a palindrome (32303233230323).

The spelling of 30100021230220 in words is "thirty trillion, one hundred billion, twenty-one million, two hundred thirty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 13217 26434 52868 66085 132170 264340 113868583 227737166 455474332 569342915 1138685830 2277371660 1505001061511 3010002123022 6020004246044 7525005307555 15050010615110 30100021230220