Base | Representation |
---|---|
bin | 1101011100101001111… |
… | …0010100000110111010 |
3 | 211002022220002201200120 |
4 | 3113022132110012322 |
5 | 12241122213223002 |
6 | 254044523114110 |
7 | 22456100251323 |
oct | 3271236240672 |
9 | 732286081616 |
10 | 231030211002 |
11 | 89a85592a88 |
12 | 38937672936 |
13 | 18a2ac6b486 |
14 | b27929d44a |
15 | 602274acbc |
hex | 35ca7941ba |
231030211002 has 16 divisors (see below), whose sum is σ = 462569871072. Its totient is φ = 76925162160.
The previous prime is 231030210977. The next prime is 231030211037. The reversal of 231030211002 is 200112030132.
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, 21221149 + ... + 21232032.
It is an arithmetic number, because the mean of its divisors is an integer number (28910616942).
Almost surely, 2231030211002 is an apocalyptic number.
231030211002 is an abundant number, since it is smaller than the sum of its proper divisors (231539660070).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231030211002 is a wasteful number, since it uses less digits than its factorization.
231030211002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42454093.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 231030211002 its reverse (200112030132), we get a palindrome (431142241134).
The spelling of 231030211002 in words is "two hundred thirty-one billion, thirty million, two hundred eleven thousand, two".
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