Base | Representation |
---|---|
bin | 1011110001001010… |
… | …1111011010000101 |
3 | 22011011021022122012 |
4 | 2330102233122011 |
5 | 22432202420011 |
6 | 1241244544005 |
7 | 141166210124 |
oct | 27422573205 |
9 | 8134238565 |
10 | 3159029381 |
11 | 138120a592 |
12 | 741b52005 |
13 | 3b4625271 |
14 | 21d7a1abb |
15 | 137508a8b |
hex | bc4af685 |
3159029381 has 8 divisors (see below), whose sum is σ = 3182452728. Its totient is φ = 3135672000.
The previous prime is 3159029359. The next prime is 3159029473. The reversal of 3159029381 is 1839209513.
It can be written as a sum of positive squares in 4 ways, for example, as 175138756 + 2983890625 = 13234^2 + 54625^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-3159029381 is a prime.
It is a super-2 number, since 2×31590293812 = 19958933260042486322, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3159022381) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81791 + ... + 114051.
It is an arithmetic number, because the mean of its divisors is an integer number (397806591).
Almost surely, 23159029381 is an apocalyptic number.
It is an amenable number.
3159029381 is a deficient number, since it is larger than the sum of its proper divisors (23423347).
3159029381 is a wasteful number, since it uses less digits than its factorization.
3159029381 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32983.
The product of its (nonzero) digits is 58320, while the sum is 41.
The square root of 3159029381 is about 56205.2433586049. The cubic root of 3159029381 is about 1467.2965228997.
The spelling of 3159029381 in words is "three billion, one hundred fifty-nine million, twenty-nine thousand, three hundred eighty-one".
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