Base | Representation |
---|---|
bin | 1011101101101101… |
… | …0100110101011101 |
3 | 22010010221021200001 |
4 | 2323123110311131 |
5 | 22414443040441 |
6 | 1240005334301 |
7 | 140631555061 |
oct | 27333246535 |
9 | 8103837601 |
10 | 3144502621 |
11 | 1373a983a7 |
12 | 739107391 |
13 | 3b160a150 |
14 | 21b89daa1 |
15 | 1360d9731 |
hex | bb6d4d5d |
3144502621 has 8 divisors (see below), whose sum is σ = 3386832344. Its totient is φ = 2902236480.
The previous prime is 3144502607. The next prime is 3144502657. The reversal of 3144502621 is 1262054413.
It can be written as a sum of positive squares in 4 ways, for example, as 657721 + 3143844900 = 811^2 + 56070^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 3144502621 - 211 = 3144500573 is a prime.
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 3144502621.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3174502621) 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, 154711 + ... + 173851.
It is an arithmetic number, because the mean of its divisors is an integer number (423354043).
Almost surely, 23144502621 is an apocalyptic number.
It is an amenable number.
3144502621 is a deficient number, since it is larger than the sum of its proper divisors (242329723).
3144502621 is a wasteful number, since it uses less digits than its factorization.
3144502621 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31791.
The product of its (nonzero) digits is 5760, while the sum is 28.
The square root of 3144502621 is about 56075.8648707267. The cubic root of 3144502621 is about 1465.0439512027.
The spelling of 3144502621 in words is "three billion, one hundred forty-four million, five hundred two thousand, six hundred twenty-one".
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