Base | Representation |
---|---|
bin | 1001000101010110011… |
… | …01111101111111010110 |
3 | 1002211121111102111012120 |
4 | 10202223031331333112 |
5 | 20103200203223110 |
6 | 355214221000410 |
7 | 31356245010132 |
oct | 4425315757726 |
9 | 1084544374176 |
10 | 312110211030 |
11 | 110402094072 |
12 | 505a50b3106 |
13 | 2357ca70857 |
14 | 1116b64c3c2 |
15 | 81ba94e870 |
hex | 48ab37dfd6 |
312110211030 has 32 divisors (see below), whose sum is σ = 774894319200. Its totient is φ = 80359410432.
The previous prime is 312110210963. The next prime is 312110211037. The reversal of 312110211030 is 30112011213.
It is a happy number.
It is a super-2 number, since 2×3121102110302 (a number of 24 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312110211037) 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, 179372815 + ... + 179374554.
It is an arithmetic number, because the mean of its divisors is an integer number (24215447475).
Almost surely, 2312110211030 is an apocalyptic number.
312110211030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
312110211030 is an abundant number, since it is smaller than the sum of its proper divisors (462784108170).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
312110211030 is a wasteful number, since it uses less digits than its factorization.
312110211030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 358747408.
The product of its (nonzero) digits is 36, while the sum is 15.
Adding to 312110211030 its reverse (30112011213), we get a palindrome (342222222243).
The spelling of 312110211030 in words is "three hundred twelve billion, one hundred ten million, two hundred eleven thousand, thirty".
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