Base | Representation |
---|---|
bin | 11110110110110010… |
… | …110110010110110110 |
3 | 10011111222212100012010 |
4 | 132312302312112312 |
5 | 1020323134213410 |
6 | 23115340105050 |
7 | 2252013364365 |
oct | 366662662666 |
9 | 104458770163 |
10 | 33131554230 |
11 | 13061998085 |
12 | 6507835186 |
13 | 31800ba678 |
14 | 18642d77dc |
15 | cdda06c20 |
hex | 7b6cb65b6 |
33131554230 has 32 divisors (see below), whose sum is σ = 79755982848. Its totient is φ = 8808386400.
The previous prime is 33131554229. The next prime is 33131554237. The reversal of 33131554230 is 3245513133.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (33131554237) 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, 1658326 + ... + 1678185.
It is an arithmetic number, because the mean of its divisors is an integer number (2492374464).
Almost surely, 233131554230 is an apocalyptic number.
33131554230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
33131554230 is an abundant number, since it is smaller than the sum of its proper divisors (46624428618).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
33131554230 is a wasteful number, since it uses less digits than its factorization.
33131554230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3336852.
The product of its (nonzero) digits is 16200, while the sum is 30.
The spelling of 33131554230 in words is "thirty-three billion, one hundred thirty-one million, five hundred fifty-four thousand, two hundred thirty".
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