Base | Representation |
---|---|
bin | 100011011110111010011110… |
… | …0111101101010110010011110 |
3 | 1111221002121122000002210021110 |
4 | 1012331310330331222302132 |
5 | 311402120334303411110 |
6 | 3023450135101242450 |
7 | 122512230230325546 |
oct | 10675647475526236 |
9 | 1457077560083243 |
10 | 312112001232030 |
11 | 904a2a57a526aa |
12 | 2b009491863426 |
13 | 1052005caaa65c |
14 | 57104312d4326 |
15 | 2613b393cea20 |
hex | 11bdd3cf6ac9e |
312112001232030 has 96 divisors (see below), whose sum is σ = 760689365577120. Its totient is φ = 81958134762240.
The previous prime is 312112001232023. The next prime is 312112001232037. The reversal of 312112001232030 is 30232100211213.
It is an interprime number because it is at equal distance from previous prime (312112001232023) and next prime (312112001232037).
It is a junction number, because it is equal to n+sod(n) for n = 312112001231988 and 312112001232006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312112001232037) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 375179140 + ... + 376010120.
It is an arithmetic number, because the mean of its divisors is an integer number (7923847558095).
Almost surely, 2312112001232030 is an apocalyptic number.
312112001232030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 312112001232030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (380344682788560).
312112001232030 is an abundant number, since it is smaller than the sum of its proper divisors (448577364345090).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
312112001232030 is a wasteful number, since it uses less digits than its factorization.
312112001232030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 833914 (or 833847 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 312112001232030 its reverse (30232100211213), we get a palindrome (342344101443243).
The spelling of 312112001232030 in words is "three hundred twelve trillion, one hundred twelve billion, one million, two hundred thirty-two thousand, thirty".
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