Base | Representation |
---|---|
bin | 1101000110001111… |
… | …01101011000110101 |
3 | 200011001100001220222 |
4 | 12203013231120311 |
5 | 103400102040141 |
6 | 3121425104125 |
7 | 336152150342 |
oct | 64307553065 |
9 | 20131301828 |
10 | 7031674421 |
11 | 2a89219082 |
12 | 1442a88045 |
13 | 880a460c5 |
14 | 4a9c437c9 |
15 | 2b24c414b |
hex | 1a31ed635 |
7031674421 has 2 divisors, whose sum is σ = 7031674422. Its totient is φ = 7031674420.
The previous prime is 7031674393. The next prime is 7031674469. The reversal of 7031674421 is 1244761307.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 7011550225 + 20124196 = 83735^2 + 4486^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-7031674421 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (7031674021) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3515837210 + 3515837211.
It is an arithmetic number, because the mean of its divisors is an integer number (3515837211).
Almost surely, 27031674421 is an apocalyptic number.
It is an amenable number.
7031674421 is a deficient number, since it is larger than the sum of its proper divisors (1).
7031674421 is an equidigital number, since it uses as much as digits as its factorization.
7031674421 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 28224, while the sum is 35.
The square root of 7031674421 is about 83855.0798759383. The cubic root of 7031674421 is about 1915.8121269124.
The spelling of 7031674421 in words is "seven billion, thirty-one million, six hundred seventy-four thousand, four hundred twenty-one".
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