Base | Representation |
---|---|
bin | 11101100011101101101… |
… | …100000011100111000110 |
3 | 21012011220200022122011210 |
4 | 131203231230003213012 |
5 | 231234410323004110 |
6 | 4153043121112250 |
7 | 266515222534155 |
oct | 35435554034706 |
9 | 7164820278153 |
10 | 2031212313030 |
11 | 71348344060a |
12 | 2897b4a88686 |
13 | 119708b42254 |
14 | 7044dd1159c |
15 | 37c83275520 |
hex | 1d8edb039c6 |
2031212313030 has 16 divisors (see below), whose sum is σ = 4874909551344. Its totient is φ = 541656616800.
The previous prime is 2031212313023. The next prime is 2031212313059. The reversal of 2031212313030 is 303132121302.
It is a junction number, because it is equal to n+sod(n) for n = 2031212312988 and 2031212313006.
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, 33853538521 + ... + 33853538580.
It is an arithmetic number, because the mean of its divisors is an integer number (304681846959).
Almost surely, 22031212313030 is an apocalyptic number.
2031212313030 is an abundant number, since it is smaller than the sum of its proper divisors (2843697238314).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2031212313030 is a wasteful number, since it uses less digits than its factorization.
2031212313030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67707077111.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 2031212313030 its reverse (303132121302), we get a palindrome (2334344434332).
The spelling of 2031212313030 in words is "two trillion, thirty-one billion, two hundred twelve million, three hundred thirteen thousand, thirty".
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