Base | Representation |
---|---|
bin | 11100000010000111… |
… | …010001010000111111 |
3 | 2212200201220011202221 |
4 | 130002013101100333 |
5 | 443121124344411 |
6 | 21454452230211 |
7 | 2113624513120 |
oct | 340207212077 |
9 | 85621804687 |
10 | 30100231231 |
11 | 11846883264 |
12 | 5a0060b367 |
13 | 2ab9089c15 |
14 | 165789a047 |
15 | bb2827071 |
hex | 7021d143f |
30100231231 has 16 divisors (see below), whose sum is σ = 36469688320. Its totient is φ = 24293118240.
The previous prime is 30100231159. The next prime is 30100231237. The reversal of 30100231231 is 13213200103.
It is a cyclic number.
It is not a de Polignac number, because 30100231231 - 213 = 30100223039 is a prime.
It is a super-2 number, since 2×301002312312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30100231237) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1866441 + ... + 1882498.
It is an arithmetic number, because the mean of its divisors is an integer number (2279355520).
Almost surely, 230100231231 is an apocalyptic number.
30100231231 is a gapful number since it is divisible by the number (31) formed by its first and last digit.
30100231231 is a deficient number, since it is larger than the sum of its proper divisors (6369457089).
30100231231 is a wasteful number, since it uses less digits than its factorization.
30100231231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3749014.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 30100231231 its reverse (13213200103), we get a palindrome (43313431334).
It can be divided in two parts, 301002 and 31231, that added together give a palindrome (332233).
The spelling of 30100231231 in words is "thirty billion, one hundred million, two hundred thirty-one thousand, two hundred thirty-one".
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