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3020142321 = 337193132687
BaseRepresentation
bin1011010000000011…
…1011011011110001
321210110221010102000
42310000323123301
522141124023241
61215404044213
7134561533440
oct26400733361
97713833360
103020142321
11130a878699
12703533669
13391917681
1420916ad57
1512a221eb6
hexb403b6f1

3020142321 has 64 divisors (see below), whose sum is σ = 5401804800. Its totient is φ = 1629134208.

The previous prime is 3020142319. The next prime is 3020142341. The reversal of 3020142321 is 1232410203.

3020142321 is a `hidden beast` number, since 302 + 0 + 1 + 42 + 321 = 666.

3020142321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3020142321 - 21 = 3020142319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3020142294 and 3020142303.

It is not an unprimeable number, because it can be changed into a prime (3020142341) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1122640 + ... + 1125326.

It is an arithmetic number, because the mean of its divisors is an integer number (84403200).

Almost surely, 23020142321 is an apocalyptic number.

It is an amenable number.

3020142321 is a deficient number, since it is larger than the sum of its proper divisors (2381662479).

3020142321 is a wasteful number, since it uses less digits than its factorization.

3020142321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3035 (or 3029 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 3020142321 is about 54955.8215387597. The cubic root of 3020142321 is about 1445.4701791668.

Adding to 3020142321 its reverse (1232410203), we get a palindrome (4252552524).

The spelling of 3020142321 in words is "three billion, twenty million, one hundred forty-two thousand, three hundred twenty-one".

Divisors: 1 3 7 9 19 21 27 57 63 133 171 189 313 399 513 939 1197 2191 2687 2817 3591 5947 6573 8061 8451 17841 18809 19719 24183 41629 51053 53523 56427 59157 72549 124887 153159 160569 169281 357371 374661 459477 507843 841031 1072113 1123983 1378431 2523093 3216339 5887217 7569279 9649017 15979589 17661651 22707837 47938767 52984953 111857123 143816301 158954859 335571369 431448903 1006714107 3020142321