Base | Representation |
---|---|
bin | 1011001010101001… |
… | …1001000011000101 |
3 | 21201220020121010101 |
4 | 2302222121003011 |
5 | 22114322111333 |
6 | 1213233524101 |
7 | 134164651651 |
oct | 26252310305 |
9 | 7656217111 |
10 | 2997457093 |
11 | 12a8a93974 |
12 | 6b7a13631 |
13 | 38a003c67 |
14 | 206143a61 |
15 | 12824067d |
hex | b2a990c5 |
2997457093 has 4 divisors (see below), whose sum is σ = 3027134988. Its totient is φ = 2967779200.
The previous prime is 2997457091. The next prime is 2997457109. The reversal of 2997457093 is 3907547992.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 1985771844 + 1011685249 = 44562^2 + 31807^2 .
It is a cyclic number.
It is not a de Polignac number, because 2997457093 - 21 = 2997457091 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2997457091) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14838796 + ... + 14838997.
It is an arithmetic number, because the mean of its divisors is an integer number (756783747).
Almost surely, 22997457093 is an apocalyptic number.
It is an amenable number.
2997457093 is a deficient number, since it is larger than the sum of its proper divisors (29677895).
2997457093 is a wasteful number, since it uses less digits than its factorization.
2997457093 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29677894.
The product of its (nonzero) digits is 4286520, while the sum is 55.
The square root of 2997457093 is about 54749.0373705328. The cubic root of 2997457093 is about 1441.8419543904.
The spelling of 2997457093 in words is "two billion, nine hundred ninety-seven million, four hundred fifty-seven thousand, ninety-three".
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