Base | Representation |
---|---|
bin | 1011011110100110… |
… | …0100111101101000 |
3 | 21221201200121112201 |
4 | 2313221210331220 |
5 | 22302232123312 |
6 | 1225423145544 |
7 | 136232112544 |
oct | 26751447550 |
9 | 7851617481 |
10 | 3081129832 |
11 | 13412434a0 |
12 | 71ba452b4 |
13 | 3a144bc61 |
14 | 2132c4a24 |
15 | 13076c557 |
hex | b7a64f68 |
3081129832 has 32 divisors (see below), whose sum is σ = 6634015200. Its totient is φ = 1326801600.
The previous prime is 3081129803. The next prime is 3081129833. The reversal of 3081129832 is 2389211803.
It is a super-2 number, since 2×30811298322 = 18986722083280696448, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 3081129791 and 3081129800.
It is not an unprimeable number, because it can be changed into a prime (3081129833) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 919719 + ... + 923062.
It is an arithmetic number, because the mean of its divisors is an integer number (207312975).
Almost surely, 23081129832 is an apocalyptic number.
It is an amenable number.
3081129832 is an abundant number, since it is smaller than the sum of its proper divisors (3552885368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3081129832 is a wasteful number, since it uses less digits than its factorization.
3081129832 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1842817 (or 1842813 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 37.
The square root of 3081129832 is about 55507.9258484768. The cubic root of 3081129832 is about 1455.1351546412.
The spelling of 3081129832 in words is "three billion, eighty-one million, one hundred twenty-nine thousand, eight hundred thirty-two".
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