Base | Representation |
---|---|
bin | 1011001001110010… |
… | …1111011000000011 |
3 | 21201122111210021001 |
4 | 2302130233120003 |
5 | 22112413103111 |
6 | 1213025112431 |
7 | 134122355560 |
oct | 26234573003 |
9 | 7648453231 |
10 | 2993878531 |
11 | 12a6a6a286 |
12 | 6b6788717 |
13 | 389350177 |
14 | 205891867 |
15 | 127c851c1 |
hex | b272f603 |
2993878531 has 8 divisors (see below), whose sum is σ = 3422664800. Its totient is φ = 2565364608.
The previous prime is 2993878529. The next prime is 2993878543. The reversal of 2993878531 is 1358783992.
2993878531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2993878531 - 21 = 2993878529 is a prime.
It is a super-2 number, since 2×29938785312 = 17926617316765435922, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2993878571) 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, 43956 + ... + 88993.
It is an arithmetic number, because the mean of its divisors is an integer number (427833100).
Almost surely, 22993878531 is an apocalyptic number.
2993878531 is a deficient number, since it is larger than the sum of its proper divisors (428786269).
2993878531 is a wasteful number, since it uses less digits than its factorization.
2993878531 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 136173.
The product of its digits is 3265920, while the sum is 55.
The square root of 2993878531 is about 54716.3461042493. The cubic root of 2993878531 is about 1441.2679372186.
The spelling of 2993878531 in words is "two billion, nine hundred ninety-three million, eight hundred seventy-eight thousand, five hundred thirty-one".
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