Base | Representation |
---|---|
bin | 11100000010110101… |
… | …010100010000010110 |
3 | 2212201120121102220020 |
4 | 130002311110100112 |
5 | 443132222131402 |
6 | 21500003050010 |
7 | 2114132226141 |
oct | 340265242026 |
9 | 85646542806 |
10 | 30112302102 |
11 | 11852678293 |
12 | 5a04670906 |
13 | 2abb72524c |
14 | 165931d058 |
15 | bb390d8bc |
hex | 702d54416 |
30112302102 has 16 divisors (see below), whose sum is σ = 60233146992. Its totient is φ = 10036010240.
The previous prime is 30112302071. The next prime is 30112302119. The reversal of 30112302102 is 20120321103.
It is a super-2 number, since 2×301123021022 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309663 + ... + 395114.
It is an arithmetic number, because the mean of its divisors is an integer number (3764571687).
Almost surely, 230112302102 is an apocalyptic number.
30112302102 is an abundant number, since it is smaller than the sum of its proper divisors (30120844890).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30112302102 is a wasteful number, since it uses less digits than its factorization.
30112302102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 711903.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 30112302102 its reverse (20120321103), we get a palindrome (50232623205).
The spelling of 30112302102 in words is "thirty billion, one hundred twelve million, three hundred two thousand, one hundred two".
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