Base | Representation |
---|---|
bin | 11101010011000101… |
… | …000010010110001010 |
3 | 10000012101220110212120 |
4 | 131103011002112022 |
5 | 1003411400202310 |
6 | 22241334552110 |
7 | 2162400455643 |
oct | 352305022612 |
9 | 100171813776 |
10 | 31458600330 |
11 | 12383618053 |
12 | 611b508636 |
13 | 2c74620711 |
14 | 17460526ca |
15 | c41be6b70 |
hex | 75314258a |
31458600330 has 32 divisors (see below), whose sum is σ = 75510448128. Its totient is φ = 8387870400.
The previous prime is 31458600311. The next prime is 31458600337. The reversal of 31458600330 is 3300685413.
It is a super-2 number, since 2×314586003302 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 31458600291 and 31458600300.
It is not an unprimeable number, because it can be changed into a prime (31458600337) 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, 181720 + ... + 309740.
It is an arithmetic number, because the mean of its divisors is an integer number (2359701504).
Almost surely, 231458600330 is an apocalyptic number.
31458600330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
31458600330 is an abundant number, since it is smaller than the sum of its proper divisors (44051847798).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31458600330 is a wasteful number, since it uses less digits than its factorization.
31458600330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 136222.
The product of its (nonzero) digits is 25920, while the sum is 33.
The spelling of 31458600330 in words is "thirty-one billion, four hundred fifty-eight million, six hundred thousand, three hundred thirty".
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