Base | Representation |
---|---|
bin | 1011001111111011… |
… | …1111001011100101 |
3 | 21210102222021021101 |
4 | 2303332333023211 |
5 | 22141011232011 |
6 | 1215345120101 |
7 | 134554313602 |
oct | 26376771345 |
9 | 7712867241 |
10 | 3019633381 |
11 | 130a560286 |
12 | 703329031 |
13 | 391799b1b |
14 | 2090776a9 |
15 | 12a1712c1 |
hex | b3fbf2e5 |
3019633381 has 16 divisors (see below), whose sum is σ = 3396921840. Its totient is φ = 2669829120.
The previous prime is 3019633369. The next prime is 3019633391. The reversal of 3019633381 is 1833369103.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 42185025 + 2977448356 = 6495^2 + 54566^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-3019633381 is a prime.
It is a super-2 number, since 2×30196333812 = 18236371511298982322, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (37).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 3019633381.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3019633391) 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, 64530 + ... + 101011.
It is an arithmetic number, because the mean of its divisors is an integer number (212307615).
Almost surely, 23019633381 is an apocalyptic number.
It is an amenable number.
3019633381 is a deficient number, since it is larger than the sum of its proper divisors (377288459).
3019633381 is a wasteful number, since it uses less digits than its factorization.
3019633381 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 165624.
The product of its (nonzero) digits is 34992, while the sum is 37.
The square root of 3019633381 is about 54951.1908970133. The cubic root of 3019633381 is about 1445.3889800221.
The spelling of 3019633381 in words is "three billion, nineteen million, six hundred thirty-three thousand, three hundred eighty-one".
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