Base | Representation |
---|---|
bin | 11100111001010011… |
… | …111110111011110000 |
3 | 2222002021110220020210 |
4 | 130321103332323300 |
5 | 1002020213422041 |
6 | 22130413304120 |
7 | 2145601201620 |
oct | 347123767360 |
9 | 88067426223 |
10 | 31026310896 |
11 | 121815a8659 |
12 | 601a795040 |
13 | 2c05bb5059 |
14 | 1704884880 |
15 | c18ca6016 |
hex | 7394feef0 |
31026310896 has 80 divisors (see below), whose sum is σ = 91861334784. Its totient is φ = 8839514112.
The previous prime is 31026310871. The next prime is 31026310901. The reversal of 31026310896 is 69801362013.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12186 + ... + 249401.
Almost surely, 231026310896 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 31026310896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45930667392).
31026310896 is an abundant number, since it is smaller than the sum of its proper divisors (60835023888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31026310896 is a wasteful number, since it uses less digits than its factorization.
31026310896 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 261958 (or 261952 counting only the distinct ones).
The product of its (nonzero) digits is 46656, while the sum is 39.
The spelling of 31026310896 in words is "thirty-one billion, twenty-six million, three hundred ten thousand, eight hundred ninety-six".
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