Base | Representation |
---|---|
bin | 11100111101101110… |
… | …001110111011001000 |
3 | 2222021102200222121000 |
4 | 130331232032323020 |
5 | 1002143134113000 |
6 | 22142015215000 |
7 | 2150460124326 |
oct | 347556167310 |
9 | 88242628530 |
10 | 31100301000 |
11 | 1220a3444aa |
12 | 603b517460 |
13 | 2c1831ca92 |
14 | 1710624d16 |
15 | c2051e000 |
hex | 73db8eec8 |
31100301000 has 512 divisors, whose sum is σ = 114485529600. Its totient is φ = 7793280000.
The previous prime is 31100300983. The next prime is 31100301013. The reversal of 31100301000 is 10300113.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is an unprimeable number.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 37880590 + ... + 37881410.
It is an arithmetic number, because the mean of its divisors is an integer number (223604550).
Almost surely, 231100301000 is an apocalyptic number.
31100301000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 31100301000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57242764800).
31100301000 is an abundant number, since it is smaller than the sum of its proper divisors (83385228600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31100301000 is a wasteful number, since it uses less digits than its factorization.
31100301000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 935 (or 915 counting only the distinct ones).
The product of its (nonzero) digits is 9, while the sum is 9.
Adding to 31100301000 its reverse (10300113), we get a palindrome (31110601113).
The spelling of 31100301000 in words is "thirty-one billion, one hundred million, three hundred one thousand".
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